Top Fuel 8 Gen 4 Full Suspension Mountain Bike
Fully assembled, tuned, and test-ridden—ready to ride at pickup from any DFW Bike Mart location.
Expected to ship within 3 days
Professionally built and test-ridden before it ships. Arrives mostly assembled with just minimal setup needed. See Reassembly Instructions
Delivered fully assembled and tuned by Bike Mart—ready to ride right at your doorstep within 10 miles of any DFW location.
Ship
Get your bike or equipment delivered to your home directly from Bike Mart via our FedEx or USPS Carrier partners. Adult signature is required for all bike deliveries and for equipment & gear deliveries over $500.
For orders that include a bike, it will be professionally pre-built and shipped to your home with minimal assembly needed. While we try to make it as easy as possible, basic mechanical skills and proper tools are required. For orders that include a frameset please visit our support center to make sure you have the specialty tools and skills required.
If you decide to take your bike to a local retailer for assembly, additional fees will apply.
Pickup
We’ve made it easier than ever to get the gear and bikes you love—fast. With our Buy Online, Pick Up In Store (BOPIS) option, you can shop online and pick up your items at your convenience from any of our six DFW locations.
The best part about picking up at a Bike Mart location is that you get the same high quality service with the convenience of having the exact bike or part.
Bikes / Car Racks will be assembled and installed at no extra charge
Delivery
When you select "Home Delivery" at checkout. Your bike will be professionally assembled and the closest Bike Mart store will call you to schedule the delivery.
We offer home delivery for bike purchases only within 10 miles of a Bike Mart location. Contact us if you live beyond 10 miles and we can discuss more options. Additional fees may apply.
In stock bikes will be delivered within 7 days. Warehouse bikes will delivered within 14 days*.
Top Fuel 8 Gen 4 Full Suspension Mountain Bike
Overview
Overview
IT'S RIGHT FOR YOU IF…
You want an alloy full suspension that's ready to rip. You like to ride everything from cross-country hot laps to all-mountain adventures, and you need a bike that's light, versatile, and confident. You've got an appreciation for the durability of aluminum, but want upgrades where they matter, like your drivetrain and suspension.
THE TECH YOU GET
An Alpha Platinum Aluminum frame equipped with a 4-way Mino Link lower shock mount for tweaking geometry and suspension leverage rate. A 130mm FOX Rhythm 34 fork with Float EVOL air spring and GRIP damper, plus 120mm of rear travel from a FOX Performance Float shock with a 3-position damper. It's topped off with a Shimano XT/SLX 12-speed groupset, hydraulic disc brakes, a Bontrager Line dropper post, and Tubeless Ready Bontrager Line Comp 30 wheels.
THE FINAL WORD
Top Fuel 8 Gen 4 is ready to cut loose from all-day climbs to rooty descents. It balances capability and efficiency, with just enough travel to keep the ride smooth without eating up your pedaling power. It gives you the perfect blend of affordability, with a rugged alloy frame, and upgrades where they matter, like the Shimano XT/SLX drivetrain.
WHY YOU'LL LOVE IT
- Its lightweight frame and versatile geometry make it the perfect choice for all kinds of rides and all kinds of riders
- The 4-way Mino Link makes it easy to adjust your geometry or leverage rate for how and where you want to ride
- You get a sweet balance of price and performance with upgraded components and a rugged alloy frame
- The Alpha Platinum Aluminum frame is robust, yet light, and packs in updated internal frame storage for easy access to gear and snacks
- It's more upgrade-ready than ever, with room for bigger 140mm forks and longer-stroke shocks for up to 130mm of rear travel, plus room for extra-long dropper posts
Technical Specifications
Technical Specifications
| Pedals | Sold Separately |
| Fork | Fox Rhythm 34, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 130mm travel |
| Stem | Bontrager Elite, 35mm, 0 degree, 45mm length |
| Chain | Shimano SLX M7100, 12 speed |
| Frame | Alpha Platinum Aluminum, internal storage, tapered head tube, internal guided routing, downtube guard, OCLV Next rocker link, Mino 4 link, ABP, Boost148, 120mm travel |
| Tires | Bontrager Gunnison Pro XR, Tubeless Ready, wire bead, 60 tpi, 27.5x2.40'' |
| Brakes | Shimano 4-piston hydraulic disc, M6100 lever, M6120 caliper // Shimano 4-piston hydraulic disc, M6100 lever, M6120 caliper |
| Rotors | Shimano RT66, 6-bolt, 180mm |
| Saddle | Bontrager Verse P3, chromoly rails |
| Crankset | Shimano Deore M6120, 30T ring, 55mm chainline, 170mm length |
| Seatpost | Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 310mm length |
| Shifters | Shimano XT M8100, 12 speed |
| Handlebars | Bontrager Line, alloy, 35mm, 27.5mm rise, 780mm width |
| Tape/grips | Bontrager XR Trail Comp, nylon lock-on |
| Rear derailleur | Shimano XT M8100, long cage |
| Cassette/freewheel | Shimano SLX M7100, 10-51T, 12 speed |
| Wheels | Bontrager Line Comp 30, High Strength 6000 Series Aluminum rim, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle, 27.5'' |
| Rear shock | Fox Performance Float DPS, 2-position damper, 185mm x 50mm |
| Bottom bracket | Shimano BB-MT501 BSA |
Parts are subject to change without notice. Chat with us if you have any questions.
Geometry
Geometry
| Frame Size | Small | Medium | Medium / Large | Large | X-Large |
| Geometry position | High / Low | High / Low | High / Low | High / Low | High / Low |
| Seat tube (cm) | 36 | 41 | 42 | 43.5 | 47 |
| Seat tube angle | 69.5° / 69° | 70.5° / 70° | 70.5° / 70° | 70.5° / 70° | 70.5° / 70° |
| Effective seat tube angle | 76.5° / 76° | 77.3° / 76.9° | 76.6° / 76.2 | 76.3° / 75.9° | 75.6° / 75.2° |
| Head tube length (cm) | 10.5 | 10.5 | 11 | 11.5 | 13.5 |
| Head angle | 65.9° / 65.5° | 65.9° / 65.5° | 65.9° / 65.5 | 65.9° / 65.5° | 65.9° / 65.5° |
| Effective top tube (cm) | 55.8 / 55.9 | 58.7 / 58.8 | 61.1 / 61.2 | 63 / 63.1 | 67.2 / 67.3 |
| Bottom bracket drop (cm) | 1 / 1.6 | 2.6 / 3.2 | 2.6 / 3.2 | 2.6 / 3.2 | 2.6 / 3.2 |
| Chainstay length (cm) | 43.4 / 43.5 | 43.4 / 43.5 | 43.9 / 44 | 43.9 / 44 | 44.4 / 44.5 |
| Offset (cm) | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 |
| Trail (cm) | 11.1 / 11.5 | 12.1 / 12.5 | 12.1 / 12.5 | 12.1 / 12.5 | 12.1 / 12.5 |
| Wheelbase (cm) | 115 / 115.1 | 118.8 / 118.8 | 121 / 121 | 122.7 / 122.7 | 127 / 127.1 |
| Standover (cm) | 70.5 / 70 | 75.5 / 75 | 75.7 / 75.2 | 75.8 / 75.3 | 76.3 / 75.8 |
| Frame reach (cm) | 42.2 / 41.7 | 45.2 / 44.7 | 46.7 / 46.2 | 48.2 / 47.7 | 51.2 / 50.7 |
| Frame stack (cm) | 56.6 / 57 | 59.9 / 60.3 | 60.4 / 60.7 | 60.8 / 61.2 | 62.6 / 63 |
This Geometry Chart is provided by the Manufactuer. Chat with us if you have any questions.
Sizing
Sizing
| ["size", "Small"] | ["(cm)", "155 - 165"] | ["(in)", "5'1\" - 5'5\""] |
|---|---|---|
| ["size", "Medium"] | ["(cm)", "165 - 176"] | ["(in)", "5'5\" - 5'9\""] |
| ["size", "Medium / Large"] | ["Rider Height (cm)Rider HEight (cm)", "173 - 180"] | ["Rider Height (in)", "5'8\" - 5'11\""] |
| ["size", "Large"] | ["Rider Height (cm)Rider HEight (cm)", "177 - 188"] | ["Rider Height (in)", "5'10\" - 6'2\""] |
| ["size", "X-Large"] | ["Rider Height (cm)Rider HEight (cm)", "188 - 195"] | ["Rider Height (in)", "6'2\" - 6'5\""] |
Sizing to be used as a reference only. Chat with us if you have any questions.
