TREK 2025 Madone SL 5

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Madone SL 5 Gen 8 is a lightweight aero road bike that brings elite racing tech to a lower price point.
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It offers similar aero benefits to the pricier Madone SLR Gen 8, but with a more economical OCLV 500 Carbon layup and two-piece cockpit with hidden cable routing. It's built to race, with geometry that keeps you quick on the sprints yet in control on fast descents. A Shimano 105 groupset keeps the price down while still delivering clean mechanical shifting you can trust.

It's right for you if...

You want a featherweight road race bike without top-end race pricing. You're up for racing, club rides, or solo spins up winding canyons, and don't want to compromise between climbing efficiency and aerodynamics. You're happy with more economical components that help you get on your dream bike faster.

The tech you get

An ultra-light OCLV 500 Carbon frame with aero tubing and IsoFlow comfort technology. A 2x12 Shimano 105 groupset that delivers clean mechanical shifts without the faff of electronic groupsets. Tubeless wheels that help fight punctures while reducing rolling resistance, and hydraulic disc brakes.

The final word

Madone SL 5 Gen 8 is the perfect bike for someone looking for superbike performance at a lower price point. It offers the same frame tech as its SLR sibling, like aero tube shaping and lightweight IsoFlow comfort tech, but with a more economical build that leaves budget to spare for race entry fees and bike trips.

Why you'll love it

  1. Revolutionary Full System Foil aero tube shapes redefine what fast looks like and help optimize aerodynamics around the whole bike
  2. A more economical 500 Series OCLV Carbon frame and new tube shaping shave weight where it matters most to help you fly up climbs
  3. You get clean and reliable shifting without breaking the bank with Shimano's workhorse groupset – 105
  4. Lightweight, race-focused IsoFlow comfort tech helps you ride stronger longer without sacrificing weight or aerodynamics


*Please note - spec applies to all sizes unless listed separately

Frame 500 Series OCLV Carbon, Full System Foil tube shaping, IsoFlow seat tube, RCS Headset System, electronic or mechanical routing, removable aero chainkeeper, T47 BB, flat mount disc, UDH, 142x12mm thru axle
Fork Madone Gen 8 full carbon, tapered carbon steerer, internal brake routing, flat mount disc, 12x100mm chamfered thru axle
Weight ML - 8.70 kg / 19.19 lbs (with tubes)
Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg).
Shifter Shimano 105 R7120, 12 speed
Front derailleur Shimano 105 R7100, braze-on, down swing
Rear derailleur Shimano 105 R7100, 36T max cog
*Crank Size: XS, S
Shimano 105 R7100, 50/34, 165mm length
Size: M
Shimano 105 R7100, 50/34, 170mm length
Size: ML, L
Shimano 105 R7100, 50/34, 172.5mm length
Size: XL
Shimano 105 R7100, 50/34, 175mm length
Bottom bracket Praxis, T47 threaded, internal bearing
Cassette Shimano 105 7101, 11-34, 12 speed
Chain Shimano SLX M7100, 12 speed
Max chainring size 1x: 54T, 2x: 56/43
Hub front Bontrager alloy, sealed bearing, centerlock disc, 100x12mm thru axle
Skewer front Bontrager Switch chamfered thru axle, removable lever
Skewer rear Bontrager Switch chamfered thru axle, removable lever
Rim Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21 mm width, Presta valve
Spokes 14g stainless steel, black
Tire Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x28mm
Max tire size 32mm (as measured, see manual for details)

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, materials, and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

Bike and frame weights are based off pre-production painted frames at time of publication. Weights may vary in final production.

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