2025 Madone SLR 8 AXS Gen 8 Road Bike
Every bike is fully assembled, tuned, and test-ridden before pickup at your chosen 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.
Complete your Ride
What is the Bike Mart Return policy?
What is the Bike Mart Return policy?
Bike Mart offers a 14-day return and 30-day exchange policy in effect on qualifying items. Restocking fee may apply for "At Warehouse" Items. Read More
What Financing options does Bike Mart offer?
What Financing options does Bike Mart offer?
Financing is easier than ever at Bike Mart. With Synchrony Financial, you can choose:
- 0% APR for 6 months — on orders under $999
- 0% APR for 12 months — on orders of $1,000 or more
We also support HSA/FSA Funds with TrueMed, Shop Pay Installments and PayPal Financing.
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.
If you decide to take your bike to a local bike shop 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 and might require additional processing time for assembly.
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*.
2025 Madone SLR 8 AXS Gen 8 Road Bike
Overview
Overview
The Madone SLR 8 AXS Gen 8 features Trek’s revolutionary Full System Foil aero tube shaping and IsoFlow technology, reducing drag while dramatically improving ride compliance over rough pavement. The result is a bike that accelerates with explosive efficiency, maintains momentum at high speeds, and stays remarkably smooth during long training rides, races, and fast-paced group efforts. Trek’s redesigned Gen 8 platform also increases tire clearance for modern road setups, creating a faster and more confident ride across varied road conditions.
Equipped with a fully wireless SRAM AXS electronic drivetrain, the Madone SLR 8 delivers crisp, instantaneous shifting under pressure while keeping the cockpit exceptionally clean and aerodynamic. Deep-section carbon wheels, integrated carbon cockpit components, and race-focused geometry combine to maximize power transfer, handling precision, and aerodynamic performance whether sprinting, climbing, or descending at speed.
Designed for riders chasing podiums, personal records, and all-day speed, the Trek Madone SLR 8 AXS Gen 8 stands at the forefront of performance road cycling. It combines the lightweight feel of a climbing bike with the aerodynamic advantages of a pure race machine, delivering one of the most complete high-performance road bikes Trek has ever created.
Technical Specifications
Technical Specifications
| Frame with fork | 900 Series OCLV Carbon, Full System Foil tube shaping, IsoFlow seat tube, RCS Headset System, electronic-only routing, removable aero chainkeeper, T47 BB, flat mount disc, UDH, 142x12mm thru axle |
| Fork | Madone Gen 8 one-piece carbon, tapered carbon steerer, internal brake routing, flat mount disc, 12x100mm chamfered thru axle |
| Weight | ML - 7.20 kg / 15.88 lbs (with TLR sealant, no tubes) |
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg). |
| Battery | SRAM AXS battery pack (with charger) |
| Shifter | SRAM RED eTap AXS, 12 speed |
| Front derailleur | SRAM RED eTap AXS, braze-on |
| Rear derailleur | SRAM RED eTap AXS, 36T max cog |
| *crank | Size: XS, S SRAM RED AXS w/ power meter, 48/35, DUB, 165mm lengthSize: M SRAM RED AXS, power meter, 48/35, DUB, 170mm lengthSize: ML, L SRAM RED AXS, power meter, 48/35, DUB, 172.5mm lengthSize: XL SRAM RED AXS, power meter, 48/35, DUB, 175mm length |
| Bottom bracket | SRAM DUB, T47 threaded, internal bearing |
| Cassette | SRAM XG-1290, 10-33, 12 speed |
| Chain | SRAM RED D1, 12 speed |
| Max chainring size | 1x: 54T, 2x: 56/43 |
| Wheel front | Bontrager Aeolus Pro 51, OCLV Carbon, Tubeless Ready, 100x12mm thru axle |
| Wheel rear | Bontrager Aeolus Pro 51, OCLV Carbon, Tubeless Ready, SRAM XD-R driver, 142x12mm thru axle |
| Skewer front | Bontrager Switch chamfered thru axle |
| Skewer rear | Bontrager Switch chamfered thru axle, removable lever |
| *tire | Size: XS, S, M, ML, L, XL Pirelli P Zero Race, 120 tpi, tubeless compatible, 700x28mmSize: XS, S, M, ML, L, XL Bontrager Aeolus RSL RD, Tubeless Ready, cotton construction, aramid bead, 170 tpi, 700x28mm |
| Tire part | Bontrager TLR sealant, 6oz |
| Max tire size | 32mm (as measured, see manual for details) |
| *saddle | Size: XS, S Bontrager Aeolus P2 Pro, carbon rails, 155mm widthSize: M, ML, L, XL Bontrager Aeolus Pro, carbon rails, 145mm width |
| *seatpost | Size: XS, S, M, XL Madone aero carbon seatpost, 0mm offset, short lengthSize: ML, L Madone aero carbon seatpost, 0mm offset, long length |
| *handlebar/stem (integrated) | Size: XS Trek Aero RSL Road integrated bar/stem, OCLV Carbon, Race Fit, 80mm reach, 124mm drop, 35cm control width, 38cm drop width, 80mm stem lengthSize: S Trek Aero RSL Road integrated bar/stem, OCLV Carbon, Race Fit, 80mm reach, 124mm drop, 37cm control width, 40cm drop width, 90mm stem lengthSize: M Trek Aero RSL Road integrated bar/stem, OCLV Carbon, Race Fit, 80mm reach, 124mm drop, 39cm control width, 42cm drop width, 90mm stem lengthSize: ML, L Trek Aero RSL Road integrated bar/stem, OCLV Carbon, Race Fit, 80mm reach, 124mm drop, 39cm control width, 42cm drop width, 100mm stem lengthSize: XL Trek Aero RSL Road integrated bar/stem, OCLV Carbon, Race Fit, 80mm reach, 124mm drop, 41cm control width, 44cm drop width, 110mm stem length |
| Handlebar tape | Trek EcoTack |
| Brake rotor | SRAM CenterLine X, centerlock, round edge, 160mm |
| Rotor size | Max brake rotor sizes: 180mm front, 160mm rear |
Parts are subject to change without notice. Chat with us if you have any questions.
Geometry
Geometry
All measurements provided in cm unless otherwise noted.
| Frame size letter | XS | S | M | ML | L | XL |
| Wheel size | 700c | 700c | 700c | 700c | 700c | 700c |
| A — Seat tube | 40.4 | 44.0 | 47.6 | 51.2 | 54.8 | 60.9 |
| B — Seat tube angle (degrees) | 73.8° | 73.8° | 73.6° | 73.4° | 73.4° | 73.4° |
| C — Head tube length | 10.0 | 12.1 | 13.6 | 15.0 | 17.2 | 20.1 |
| D — Head angle (degrees) | 71.6° | 72.2° | 72.9° | 73.5° | 73.8° | 73.9° |
| E — Effective top tube | 51.7 | 53.2 | 54.5 | 55.7 | 56.8 | 58.4 |
| G — Bottom bracket drop | 7.2 | 7.2 | 7.0 | 7.0 | 6.8 | 6.8 |
| H — Chainstay length | 41.0 | 41.0 | 41.0 | 41.0 | 41.1 | 41.2 |
| I — Offset | 5.0 | 4.5 | 4.5 | 4.0 | 4.0 | 4.0 |
| J — Trail | 6.1 | 6.2 | 5.8 | 5.9 | 5.7 | 5.7 |
| K — Wheelbase | 97.1 | 97.6 | 98.1 | 98.0 | 99.0 | 100.7 |
| L — Standover | 70.4 | 73.4 | 76.2 | 79.0 | 82.0 | 86.3 |
| M — Frame reach | 37.0 | 37.8 | 38.4 | 38.9 | 39.4 | 40.2 |
| N — Frame stack | 50.7 | 53.0 | 54.6 | 56.2 | 58.2 | 61.0 |
| Front center | 57.2 | 57.7 | 58.2 | 58.1 | 58.9 | 60.4 |
| Saddle rail height min (w/short mast) | 54.9 | 58.5 | 62.1 | 65.7 | 69.3 | 75.4 |
| Saddle rail height max (w/short mast) | 61.2 | 64.8 | 68.4 | 72.0 | 75.6 | 81.7 |
| Saddle rail height min (w/tall mast) | 59.2 | 62.8 | 66.4 | 70.0 | 73.6 | 79.7 |
| Saddle rail height max (w/tall mast) | 65.4 | 69.0 | 72.6 | 76.2 | 79.8 | 85.9 |
This Geometry Chart is provided by the Manufactuer. Chat with us if you have any questions.
Sizing
Sizing
| size | inches | cm |
|---|---|---|
| XS (47cm) | 4'8" - 5'2" | 143 - 158 |
| S (50cm) | 5'2" - 5'4" | 158 - 162 |
| M (52-54cm) | 5'4" - 5'8" | 162 - 173 |
| ML (56cm) | 5'8" - 5'10" | 173 - 179 |
| L (58cm) | 5'10" - 6'2" | 179 - 188 |
| XL (60-62cm) | 6'2" - 7'0" | 188 - 213 |
Sizing to be used as a reference only. Chat with us if you have any questions.
Why Shop at Bike Mart?
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Live Chat with Real People
Get instant advice and answers from our team of cycling experts through our online chat feature or over the phone.
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Community-Focused
We have donated over a million dollars to support our communities through charity rides, bike rallies and advocacy for more bikeable trails in Texas.
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Professional, Quality Assembly
Our bikes are expertly assembled and inspected by Bike Mart’s professionally trained staff. They ensure proper adjustments, tighten and true wheels, and get your bike ready to ride.
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Our Legacy of Excellence
With 62 years of retail experience, Bike Mart brings unparalleled expertise and dedication to serving you.
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10% off accessories with new bike purchase
Receive 10% off all accessories purchased with a new bike.
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Hassle-Free Returns
Easily initiate returns for online orders with our straightforward return policy to shop with confidence.
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Locally Owned & Operated
A family of cyclists who live and ride in your community—feel right at home.
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Free accessory installation with new bike purchase
Let our experts install your accessories at no extra cost, ensuring everything fits perfectly and is ready for your ride!
