Trek Madone SL 5 Gen 8 Road Bike 2025

For those seeking a lightweight road race bicycle with competitive pricing, the Trek Madone SL 5 Gen 8 is a top choice. Whether you're racing, partaking in club rides, or conquering winding canyons on your own, this bike offers a balance of climbing efficiency and aerodynamics. With its more cost-effective components, you can achieve your dream bike without breaking the bank.

• Frame 500 Series OCLV Carbon, Full System Foil tube shaping, IsoFlow seat tube, RCS Headset System, electronic or mechanical routing, removable aero chain keeper, T47 BB, flat mount disc, UDH, 142x12 mm 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)
  
• 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, 165 mm length
  
• Size: M Shimano 105 R7100, 50/34, 170 mm length
  
• Size: ML, L Shimano 105 R7100, 50/34, 172.5 mm length
  
• Size: XL Shimano 105 R7100, 50/34, 175 mm length
  
• Bottom bracket Praxis, T47 threaded, internal bearing
  
• Cassette Shimano 105 7101, 11-34, 12-speed
  
• Chain Shimano SLX M7100, 12-speed
  
• Wheel front Bontrager Paradigm SL, Tubeless Ready, 21 mm rim width, 100x12 mm thru axle
  
• Hub front    Bontrager alloy, sealed bearing, CenterLock disc, 100x12 mm 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 14 g stainless steel, black
  
• Tyre Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x28 mm
  
• *Saddle  
• Size: XS, S Bontrager Aeolus Comp, steel rails, 155 mm width
  
• Size: M, ML, L, XL Bontrager Aeolus Comp, steel rails, 145 mm width
  
• *Seatpost    
• Size: XS, S, M, XL Madone aero carbon seat post, 0 mm offset, short length
  
• Size: ML, L Madone aero carbon seat post, 0 mm offset, long length
  
• *Handlebar    
• Size: XS Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop, 36 cm control width, 40 cm drop width
  
• Size: S, M Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop, 38 cm control width, 42 cm drop width
  
• Size: ML, L Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop, 40 cm control width, 44 cm drop width
  
• Size: XL Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop, 42 cm control width, 46 cm drop width
  
• *Stem    
• Size: XS Trek RCS Pro, -7-degree, 80 mm length
  
• Size: S, M Trek RCS Pro, -7-degree, 90 mm length
  
• Size: ML, L Trek RCS Pro, -7-degree, 100 mm length
  
• Size: XL Trek RCS Pro, -7-degree, 110 mm length
  
• Brake rotor Shimano RT70, CentreLock, 160 mm
  
• Rotor size Max brake rotor sizes: 180 mm front, 160 mm rear

Weight limit: This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb).