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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. 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.
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.
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.
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.
| 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 |
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| Size: ML, L Shimano 105 R7100, 50/34, 172.5mm length |
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| Size: XL Shimano 105 R7100, 50/34, 175mm length |
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| 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, 21mm 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) |
| *Saddle | Size: XS, S Bontrager Aeolus Comp, steel rails, 155mm width |
|---|---|
| Size: M, ML, L, XL Bontrager Aeolus Comp, steel rails, 145mm width |
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| *Seatpost | Size: XS, S, M Madone aero carbon seatpost, 0mm offset, short length |
| Size: ML, L, XL Madone aero carbon seatpost, 0mm offset, long length |
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| *Handlebar | Size: XS Bontrager Comp, alloy, 31.8mm, 80mm reach, 121mm drop, 36cm control width, 40cm drop width |
| Size: S, M Bontrager Comp, alloy, 31.8mm, 80mm reach, 121mm drop, 38cm control width, 42cm drop width |
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| Size: ML, L Bontrager Comp, alloy, 31.8mm, 80mm reach, 121mm drop, 40cm control width, 44cm drop width |
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| Size: XL Bontrager Comp, alloy, 31.8mm, 80mm reach, 121mm drop, 42cm control width, 46cm drop width |
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| Handlebar tape | Trek EcoTack, black |
| *Stem | Size: XS Trek RCS Pro, -7 degree, 80mm length |
| Size: S, M Trek RCS Pro, -7 degree, 90mm length |
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| Size: ML, L Trek RCS Pro, -7 degree, 100mm length |
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| Size: XL Trek RCS Pro, -7 degree, 110mm length |
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| Brake rotor | Shimano RT70, centerlock, 160mm |
| Rotor size | Max brake rotor sizes: 180mm front, 160mm rear |
