Fenders

The SKS SPEEDROCKER has been specifically developed for compatibility with gravel and adventure bikes, cyclocross bikes and road bikes with tyres exceeding 32mm. Proudly Made in Germany, the Speedrocker offers incredible stability over the roughest tracks while also providing optimum protection in all weathers. - Rear fender expands for custom fit - Rubber fasteners mount to a variety of frame styles

Just the thing for rainy weather, the Portland Design Works minimalist Origami Rear Seatpost Fender attaches to a clamp-on bracket you mount to your seatpost. And it packs down so you can easily store it when not in use. - Length: 445mm (7.5") - Weight: 160g (5.6oz)

The X-Blade 27.5+/29-inch is a high-quality 2-component clip-on fender for the rear wheel of a 27.5+/29-inch mountain and trekking bikes. Due to the quick-release mounting, the fender can be fitted to almost any seat post and optimally adjusted to the wheel using the 2-joint technology. - High performance dual compound plastic - Easy quick-release-fastening by pre-adjusted powerstrap - 2 joints for optimized adjustment to all frames - Optimized dirt protection - 27.5+ and 29-inch wheel compatible

Mudguard in pure form: EDGE AL guarantees city and trekking cyclists ideal splash protection on the road. This aluminum mudguard mounts close to the tire and offers great stability, although it is only attached at three points. No load rack is necessary to attach EDGE AL. With a purist matte-black look and an angular profile, EDGE AL integrates itself almost invisibly into the frame. - Urban fender set - Sturdy aluminum profile design for urban bikes - Black U-stay - Includes accessory parts and stays - Weight: 568g

No matter the conditions, stay dry and clean with SKS's X-Tra Dry rear fender! It's super light and nearly unbreakable so you know it's ready for the miles, on road and off. Plus, it works with most bikes thanks to its easy-to-adjust seatpost mounting strap.

The Shockblade 27.5+/29-inch is a clip-on front, high-quality 2-component fender for mounting on the fork of 27.5+ and 29-inch mountain and trekking bikes. - Virtually unbreakable high quality dual compound plastic - Hidden chuck cone adapter which is fitted once during first assembly - Easy quick-release fastening - Optimized dirt protection - Fits almost all suspension forks - 27.5+ and 29-inch wheel compatible

The Shockblade 26/27.5-inch is a clip on front, high-quality 2-component fender for mounting on the fork of 26-inch and 27.5-inch mountain and trekking bikes. - Virtually unbreakable high quality dual compound plastic - Hidden chuck cone adapter which is fitted once during first assembly - Easy quick-release fastening - Optimized dirt protection - Fits almost all suspension forks - 26-inch and 27.5-inch wheel compatible

Turn your bike into an all-weather vehicle with SKS's Beavertail Fender Set! The robust steel brackets provide safe and easy mounting, and the front fender works with most suspension forks.

Topeak's DeFender M1 front fender offers durable rain and mud protection on wet and sloppy rides for your 27.5- or 29-inch wheeled bike. It's incredibly light and easy-to-use, too. The M1 installs easily to any standard fork, even reverse arch designs and seamlessly integrates with the front end of your bike. The quick-release attachments allow the DeFender to be installed and removed in seconds.

Front Fender: • Front fender made of durable all-weather polymer • Mounts to most suspension and rigid forks • Fits oversized tapered steer tubes along with small and standard sizes. (18.5-34.5mm ID) • Extra-wide profile for 3-5" wide tires Rear Fender: • Minimalist seat post fender made of durable all-weather polymer material • Quick-release mount snaps on and off in seconds • Wide profile design • Features an adjustable fender angle to fit most bikes • Extra wide profile to fit 3-5" tires

Keep the road grime and water off your clothes with a durable fender set made specifically for the Roll. No-fuss installation means you can add them quickly and easily, so you're always ready to ride. - Valuable and durable plastic fender set for Roll. - Designed for 650b x 2.3" tires. - Stainless steel fender stays and hardware. - Rear fender supports Plug and Play frame mounting. - Front: 660mm / Rear: 1050mm

Functional. Fashionable. Fenders. Keep you and your threads clean and dry by adding stylish fenders. Accessorize your ride and keep yourself dry. - Front and rear full-length fenders designed for use on Townie Tall bicycles - Fits Step-Over Townie Original models - Compatible with tires up to 2.0-inch wide - Protects against pesky mud and splashes

Just the thing for rainy weather, the Portland Design Works minimalist Origami Front Fender attaches to a snap-on/off bracket you mount on your downtube. And it folds flat so you can easily stow it when not in use. - Length: 370mm (14.5") - Weight: 60g (2.1oz)

Topeak's DeFender M2 rear fender offers durable rain and mud protection on wet and sloppy rides. It's incredibly light and easy-to-use, too. The quick-release attachment fits most seatposts and allows the DeFender to be installed and removed in seconds. Plus, the 2-pivot arm is super adjustable for better coverage and a perfect fit on any bike.

- Safety release clips detach passively when an object becomes lodged - Length-adjustable struts and strut slots for perfect positioning and tire clearance - Designed for use on disc brake bikes with thru-axles - Compatible Giant Bike Model: Defy / Defy Adv/ Avail Adv / Contend AR/ Contend SL - Compatible Wheel Size: 38 version: 700*32c (Tire width: <320mm), 45 version: 700*32c~700*42c (Tire width: 320mm~420mm)

- Color: Black - Maximum Tire Width: 35 mm - Fender Width: 45 mm - Wheel Size: 700c - Material: Aluminum - Requires Eyelets?: Yes

- Designed for compatibility with the Giant Defy Aluxx and Liv Avail Aluxx bikes - Quickly adjust gap between fender and tire - Tool-Free universal mounting system - Full coverage protection

Giant's Speedshield Alloy Race Fenders offer durable, all-weather protection and aluminum construction. These great fenders go on and off in no time thanks to the quick-adjusting stainless-steel hardware.

Easy-to-install rear fender for your fat bike. CONSTRUCTION • Virtually unbreakable polypropylene body MOUNTING SYSTEM • Adjustable rubber straps mount to down tube • 100% recyclable • Ships and merchandises as a flat sheet and snaps onto the included seat tube bracket • Hardware included • Weight: 190 grams / 6.7 ounces

The DRY-TECH fender set is an engineered fender set with extended, research-based length for superior water protection. The fenders are made of a lightweight, yet highly durable multi-material design. It's also been engineered in Specialized's very own Win Tunnel in order to improve protection and to minimize water spray. The fenders are available in three different sizes (35, 45, and 52mm), and they're designed to work on bikes with 700C wheels—with or without Specialized Plug + Play frame mounting. Lastly, for a finishing touch, the fenders include heat-treated, lightweight aluminum fender stays with stainless steel hardware. - Engineered fender set with extended, research-based length for superior water protection. - Lightweight, yet highly durable multi-material design. - Engineered in Specialized's Win Tunnel to improve protection and minimize water spra.y - Designed to work on bikes with 700C wheels and with or without Specialized Plug + Play frame mounting. - Heat-treated, lightweight aluminum fender stays with stainless steel hardware.

Accessorize your ride. Keep yourself dry. Genuine Replacement Parts No one wants that wet stripe on their back. Keep yourself and your gear clean and dry with a stylish fender. - Original equipment replacement fenders for Trek Powerfly - Mounting hardware sold separately - Front fenders are designed for SR Suntour suspension fork mounts, other forks may be incompatible - Front fenders are shared with Powerfly FS 2021 equipped models - Front fenders include struts - Rear fenders do not include struts as they require Powerfly HT specific rear rack for assembly Fender, rack and kickstand compatibility - Use the compatibility guide to match the right parts with your bike and simplify installation of your new accessories.

Lightweight and stealthy, Muc-Off Ride Guards keeps mud fling to a minimum. - Guards against mud - Made from 100% recycled plastic waste - 100% recyclable - Supplied with 4 zip ties - Made in England

Meet the brand new, fantastic, feature packed Face Fender! Lightweight, discreet, and very effective, the Face Fender is a simple front mud guard for mountain bikes, made from 100% recycled plastic. SHIZZLE SHIELD - Integrated into the Face Fender is the Shizzle Shield, which, when folded toward the tyre, stops pretty much anything from being flung forward and hitting you in the mush. NO MORE ZIP-TIES - No more zip-ties! The fender is profiled to hold the Velcro fastener without needing zip-ties or anything else.

Made of sturdy anodized aluminum and adorned with laser graphics, the full Metal fenders are a beautiful complement to any bike with 27.5"/650b or 29" sized wheels and room for extra clearance. The 27.5x2.5" Full Metal Fenders can fit up to 650x56mm or 27.5x2.2" tires maximum. They come with special extra long hangers designed to better fit 650b/27.5" frames and forks. The 29x2.5" (700x65mm) Full Metal Fenders will fit bikes with 29x2.2" tires maximum. They come with special double rear alloy stays that add stability and prevent rattling over larger tire sizes. The double rear stays add stability and prevent rattling. They provide full-wrap coverage, even shielding your shoes and riders on your rear wheel thanks to extra long and super flexible polypropylene mudflaps. Safety release tabs ensure your wheels keep turning even if debris gets lodged between the fender and tire. The Full Metal Fenders easily mount to bikes with eyelets using all stainless steel hardware which may be replaced as needed. Specifications: -65 mm wide to fit 650bx56mm (27.5x2.2) tires maximum -2.5"/65mm mm wide to fit 29 x 2.2" tires maximum -Weight: 730 grams -Lifetime PDWarranty

- Suitable for tire widths between 23mm and 35mm - Keeps you clean and dry on wet roads and trails - Newly improved designs in multiple options for better coverage - Attaches quickly without tools - Stores easily in a backpack or jersey pocket - Application: Rear - Fender Size: 540mm x 65mm - Wheel Size: Universal - Material: Polypropylene - Weight: 50g

Optimized for RockShox forks, RockShox MTB Fenders deliver exceptional protection for your fork with deep side skirts to keep the mud and debris away from the most vital parts of your fork—and your body. Take your bike's customization to the next level with color offerings made to match RockShox decal packs—or go black-on-black for that minimalist look. MTB Fenders come complete with four beefy zip ties for installation, so you can get to the trailhead sooner and shred with much less mess. - Works on all RockShox fork models - Comes with 4 zip ties for immediate installation - Offered in a wide range of colors that match RockShox's fork decal packs - Deep side skirts protect stanchions and dust seals from rocks and debris

Mudrocker Rear Fender for MTB protects you AND your suspension and linkage from water and mud. Provides excellent coverage on 27.5, 650b or 29er wheels with a maximum tire width of 3.0" The fender attaches to the seat stays with hook and loop straps (or cable ties if perferred). With the included frame adapter pads, user can adjust the angle of the fender. The included rear extender can be snapped on and used for extra protection in the bottom bracket/derailleur area. Perfect companion with the Mudrocker Front Fender. (If you lose your Adapter Pads or your Extender, they are both sold separately as well.) - Measurements: 840mm - Weight: 172 grams - Made in Germany

Optimized for RockShox forks, RockShox MTB Fenders deliver exceptional protection for your fork, with deep side skirts to keep the mud and debris away from the most vital parts of your fork—and your body. Take your bike's customization to the next level with nine color offerings made to match RockShox decal packs—or go black-on-black for that minimalist look. MTB Fenders come complete with four beefy zip ties for installation so you can get to the trailhead sooner and shred with much less mess. - Works on all RockShox fork models - Comes with 4 zip ties for immediate installation - Offered in a wide range of colors that match RockShox's fork decal packs - Designed specifically for RockShox forks - Deep side skirts protect stanchions and dust seals from rocks and debris - Precisely placed mounting holes make the fender follow the wheel's contour, minimizing contact when the fork is compressed

These clip-on fenders are designed specifically for fat bikes. They're extra-long and wide to block the muck, snow, or sand you'll ride through on your next fat bike adventure. - Extra-long and wide to accommodate the biggest tires - Easy to install and fits virtually any bicycle

The S-Guard is not just for road bike cyclists; this super-lightweight (24g) and small mudguard protects your bottom from mud and water. Made with super-soft material, it fits on nearly every saddle with the addition of a cable tie.

This super-lightweight (45g) and discreet mudguard protects your face (and your fork seals) from mud and water. Made of super-soft material, it fits 26", 27.5", and 29" bikes and is compatible with most forks. Thanks to the included zip ties that wrap around the fork bridge and fork legs, the Flapguard sticks close to your bike even during extremely aggressive riding. - Also compatible on rear side of frame

The VELOFLEXX mudguard set combines the stability of a fixed mudguard with the flexibility of a clip-on mudguard. The VELOFLEXX bridge allows the rear mudguard to be attached at the top of the seat stay with the use of rubber straps—no tools needed. This method of mounting doesn't rely on the cross stay where the caliper brake is usually bolted. At the front, the VELOFLEXX is mounted to the fork bridge with a rubberized hook-and-loop fastener or a cable tie. The black-coated stays provide even greater support. - Compatible only with disc brakes - Includes hook-and-loop fasteners and tension rubber

X-Long Mudflap/Spoiler can be retrofitted to any fender profile of the correct size. A hole may need to be drilled in the profile if one isn't already there. - Adds 6 inches of coverage to any fender profile - 35mm size fits fender profiles up to 35mm - 53mm size fits fender profiles 46mm-55mm

Compatible with SpeedEZ fenders: - 26-inch x 60mm - 700c x 35mm - 700c x 45mm

- 8 rubber fender stay caps - Compatible with all Hardcore, SpeedEZ, Cascadia, Cascadia ALX, and Grasshopper fenders

- Rugged 6061 aluminum construction is corrosion resistant - 100mm mudflaps provide ultimate coverage and are double-riveted for durability - Hardware is all stainless-steel and pre-installed for hassle-free mounting - V-stays for added stability - Disc brake compatible - 50mm width - Release Tabs on front fender for added safety - Meets EN test standards

These steel fenders offer tire coverage that is durable with a timeless aesthetic. - The crescent full-coverage design offers a closer fit around the tire - Made in the USA

Meet the Mucky Nutz MugGuard... our super, snazzy, award-winning mudguard for mountain bikes, made in the UK from 100% recycled plastic.

IMPACT-RESISTANT CLEANERS FOR THE BIKE Fender set made of robust sandwich construction A really brilliant performance! The SKS BLUEMELS BASIC mudguard set not only integrates perfectly on the bike, but also reliably protects against dirt and splash water. Thanks to the flexible sandwich construction, in which extremely fine aluminum strips are embedded in a plastic coating, the fenders are extremely robust, rigid, and protected against corrosion. Stylish driving fun with a safety system With its glossy black surface and black fastening components, the BLUEMELS BASIC also leaves nothing to be desired in terms of looks. The ASR safety system ensures that the struts are decoupled if branches get caught between the spokes so that the wheel does not lock up. The V-struts with fixed bridges guarantee an individual adjustment, the bottom bracket cut-outs make assembly possible even in tight spaces. Includes accessories and struts. - Aluminum/plastic sandwich construction - V-struts with fixed bridges for flexible adjustment - ASR safety system - Bottom bracket cutouts - Made in Germany

Maximize the capability of your Tero with the Tero Equipment Kit. The kit is designed to complement a non-equipped Tero with racks, fenders, and integrated lights. Turn your Tero into a pack mule, a freight train, or whatever you need for your greatest adventures. - Includes DRYTECH fenders, integrated front and rear LED lights, and rear rack. - Rear rack has a 27kg capacity and is compatible with all MIK and MIK HD accessories, including child seats and the MIK adapter plate. Unique design allows for use of most standard panniers and platform accessories at the same time. - Integrated front and rear LED lights are powered by the bike’s internal system and do not require batteries or charging. The headlight is the Lezyne E-Bike Mini STVZO E65 (210 - Lumen, 12V), and the taillight is the Spanninga Commuter Glow XE (12V). - DRYTECH fenders are engineered in our Win Tunnel to improve protection and minimize water spray. - Compatible with all non-equipped Tero models and sizes. Compatible with tires up to 29x2.35. *Assembly by Authorized Specialized Retailer required, installation fees will apply. Available via pick-up in-store only.

Fender set made of robust sandwich construction A really brilliant performance! The SKS BLUEMELS BASIC mudguard set not only integrates perfectly on the bike, but also reliably protects against dirt and splash water. Thanks to the flexible sandwich construction, in which extremely fine aluminum strips are embedded in a plastic coating, the fenders are extremely robust, rigid, and protected against corrosion. Stylish driving fun with a safety system The ASR or ESC safety system ensures that the struts are decoupled if branches get between the spokes so that the wheel does not lock. The V-struts with fixed bridges guarantee an individual adjustment, the bottom bracket cut-outs make assembly possible even in tight spaces. Includes accessories and struts. - Aluminum/plastic sandwich construction - V-struts with fixed bridges for flexible adjustment - ESC safety system - Bottom bracket cutouts - Made in Germany - Tire width in inches: 2.1"-2.4" - Tire width in mm: 54-61mm - Front mudguard length: 680mm - Rear mudguard length: 1185mm

Fender set with flexible spoiler It doesn't get any longer than this: The BLUEMELS STYLE mudguard set with a flexible spoiler offers excellent all-around protection against splash water. Thanks to the flexible sandwich construction, in which extremely fine aluminum strips are embedded in a plastic coating, the mudguard is extremely robust, rigid, and protected against corrosion. New V adapter with ESC security system With its matt black surface and the black fastening components, the BLUEMELS STYLE also leaves nothing to be desired in terms of looks. The newly developed V-adapter with ESC safety system decouples the double U-struts when branches get between the spokes so that the wheel does not lock. Incl. accessories and struts. - Aluminum/plastic sandwich construction - With a flexible spoiler - V-adapter with ESC safety system - Stable double U-struts - Made in Germany

Fender set with flexible spoiler It doesn't get any longer than this: The BLUEMELS STYLE mudguard set with a flexible spoiler offers excellent all-round protection against splash water. Thanks to the flexible sandwich construction, in which extremely fine aluminum strips are embedded in a plastic coating, the mudguard is extremely robust, rigid and protected against corrosion. New V adapter with ESC security system With its matt black surface and the black fastening components, the BLUEMELS STYLE also leaves nothing to be desired in terms of looks. The newly developed V-adapter with ESC safety system decouples the double U-struts when branches get between the spokes so that the wheel does not lock. Incl. accessories and struts. - Aluminum/plastic sandwich construction - With a flexible spoiler - V-adapter with ESC safety system - Stable double U-struts - Made in Germany

Planet Bike's SpeedEZ Fenders keep you dry in wet weather and are easily removed when the sun comes out. Made from nearly indestructible Superflex polycarbonate and rustproof stainless-steel stays, these fenders also utilize a clever, pre-installed attachment system so you can mount and remove them in seconds.

Keep water and mud off you with SKS's Shockboard front fender! It's super light and nearly unbreakable so you know it's ready for off-road action. Plus, it works with most rigid and suspension forks as well as disc and linear-pull brakes.

Compatible with: - Hardcore bike fenders - 700c x 45mm - Full bike fenders - 700c x 45mm - SpeedEZ bike fenders - 700c x 45mm - Hardcore Recumbent bike fender - 700c rear - Contains 45mm rear fender plastic clip, fork and brake bridge thru bolts, stay bolts and lock washers

MTB+ and Fat Bike compatible - Fits up to 4" tires - 100% recyclable Polypropylene construction - Lightweight, durable, and easy to install/remove

The Grunge front fender was made for your messiest dirt adventures. It's super durable and provides exceptional coverage from mud, crud and spray. Its 3.4-inch wide profile and innovative steer tube mounting system will work on most suspension and rigid forks. - Durable all-weather polypropylene blade - Mounts to most suspension and rigid forks - Includes hardware to fit small, standard and oversized tapered steerer tubes (18.5-34.5mm ID) - Eyelets Required?: No - Wheel size: 26", 650b, 29" and 700c - Dimensions: 85mm wide x 600mm long - Max tire width: 2.1" - Weight: 160 grams

If you ride bent, Planet Bike's recumbent fenders keep you covered when Mother Nature rains on your ride. They are designed for non-tradtional bike and trike setups. Their clean lines and rugged aluminum construction provide great protection from rain, road grit, and other tire spray. - 6061 aluminum blades - Stainless steel V-stays and hardware are pre-installed and disc brake compatible - 100mm mudflaps for extended coverage - Release Tabs on front fender for added safety - Eyelets Required?: Yes - Wheel size: 20” - Max tire size: 20" x 1.5" (50mm) / 20" x 1.9" (60mm)

Portland Design Works has given the original fat bike front fender a facelift! The Mud Shovel 6.5 Front Fender was designed specifically for fat bikes - they're extra long and wide to block the muck, snow, or sand you'll ride through on your next fat bike adventure. Made of heavy-duty polymer, the Mud Shovel 6.5 Front Fender is super lightweight but sturdy enough to take years of bad weather abuse. The fender mounts to the downtube of your bike using adjustable rubber straps for a secure fit. - Front fender is 254mm wide and 622mm long (10" x 24.5") - Extra-long, wide design blocks snow, water and sand - Bracket keeps fender super stable and is easy to install - Built with lightweight, sturdy materials for durability

Made of durable polycarbonate and featuring the highest quality hardware of any fenders in their class, Portland Design Works' Poncho Fenders keep you safe from spray from head to toe. They use thick 6mm stays for extra rigidity, sturdy rubber mudflaps for extra coverage, and front safety release tabs to ensure your wheels keep turning even if debris gets lodged between the fender and tire. The Road size Poncho Fenders will fit close clearance road bikes with 700x23 tires maximum or road bikes designed to take fenders with up to 700x25 tires. They are designed to fit under caliper brakes and forks, and include add-on mounts for bikes that lack eyelets. - 30 mm wide to fit 700x23 tires maximum - Pre-installed stays and brackets for faster mounting - Weight: 454 g (16 oz) - Lifetime PDWarranty The City size Poncho Fenders are designed for touring and CX bikes with 700x35 tires maximum. They come with all necessary hardware to mount to bikes with brazed on eyelets. - 45 mm wide to fit 700x35 tires maximum - Pre-installed stays and brackets for faster mounting - Weight: 567 g (20 oz) - City size installation manual (PDF) - Lifetime PDWarranty

Turn your bike into an all-weather vehicle with Planet Bike's Cascadia Fenders. Made of unbreakable Superflex polycarbonate with stainless-steel stays, they're ultra tough. They boast long mudflaps for the ultimate in splash and spray protection and the front fender has release tabs for easy on/off. Plus, the hardware is pre-installed for quick mounting.

Topeak's DeFender XC11 for 29ers is a rear fender that offers durable rain and mud protection on wet and sloppy rides. It's incredibly light and easy-to-use, too. The quick-release seatpost attachment allows the DeFender to be installed and removed in seconds and the angle is adjustable for the perfect fit.

The Hardcore Fender Hardware Kits are compatible with select Hardcore fenders, Full Fenders, Hardcore Recumbent Fenders, and SpeedEZ fenders. Includes: - Rear fender plastic clip - Fork and brake bridge-thru bolts - Stay bolts and lock washers Specific compatibility w/Planet Bike fenders: - 35mm Width: 700c x 35mm Fenders (Hardcore) - 45mm Width: 700c x 45mm (Hardcore, Full, and SpeedEZ); 700c Rear (Hardcore Recumbent) - 60mm Width: 26-inch x 60mm (Full, SpeedEZ, and Hardcore)

Keep your little rider dry and clean with SKS's Rowdy fenders. They're compatible with a wide variety of frame types and feature durable mounting brackets for worry-free use.

Giant's Arc Fenders features a v-shape drainer that helps remove mud and water efficiently so you stay dry. They easily mount with a front and rear quick-release and, with the single-arm stay mount, they're a stylish addition to your bike. Plus, they're made from a super lightweight poly-carbonate material for long-lasting protection from nasty weather.

The ultimate set of mudguards for fat tire bikes offering all-round mud protection. Front is mounted easily under the down tube by high-performance straps and the rear fits to the seat post in seconds with the proven tool-free SKS quick-release Powerstrap attachment system. The two-hinge arm in the rear allows perfect adjustability to the geometry of your bike.

A beefy downtube fender for big tires Planet Bike designed the Big Buck fenders to stand up to all of your fat tire adventures. The downtube-mounted fender’s extra wide 5-inch profile shields your shoes and blocks snow, spray and crud when rolling on your 5-inch wide fatties. It's a beefy fender for big tires. - Durable all-weather polypropylene blade - Two-point rubber strap attachment for quick mounting and removal - Eyelets Required?: No - Wheel size: 26", 650b, 29" and 700c - Fender width: 110-120mm for 3-5" wide tires - Max tire width: 5" - Weight: 95 grams

- Releases front fender stays if debris is present in between fender and tire - Fits current and past Grasshopper, Cascadia ALX, Cascadia and Hardcore front fenders (not recommended for non-Planet Bike fenders)

Topeak's DeFender RX rear fender offers durable rain and mud protection on wet and sloppy rides. It's incredibly light and easy-to-use, too. The quick-release seatpost attachment allows the DeFender to be installed and removed in seconds.