Trek Madone SL 5 Gen 8
Aerodynamic performance. Carbon comfort. Race design.

The Trek Madone SL 5 Gen 8 is a high-level aerodynamic road bike, designed to offer race-level performance to ambitious cyclists, without the high price of superbikes. Built with an OCLV 500 Series carbon frame and featuring innovative IsoFlow technology, this bike cuts through the air with exceptional efficiency while ensuring a comfortable ride even on the longest outings. Thanks to race geometry, Shimano 105 2x12 drivetrain, and powerful disc brakes, it is the perfect choice for speed, comfort, and podium results.

Ideal for you if...
You want an ultra-light carbon road bike without spending a fortune. You’re ready for races, group rides, or solo rides and want an aerodynamic bike that climbs efficiently, descends confidently, and keeps you fresh even after many kilometers. You accept some more economical components, as long as the frame and geometry are worthy of a dream bike.

What you get

Frame

• OCLV 500 Series carbon with Full System Foil aerodynamic profiles
• IsoFlow seat tube for greater comfort
• Compatible with integrated RCS cockpit
• Internal cable routing for electronic or mechanical groupsets
• Threaded T47 bottom bracket
• Flat mount disc brakes
• UDH dropout
• 142x12mm rear thru-axle

Fork

• Madone Gen 8 carbon
  
  Carbon tapered steerer
• Internal cable routing for brakes
• Flat mount disc
• 12x100mm thru-axle

Drivetrain

• Shifters: Shimano 105 R7120, 12-speed
  Front derailleur: Shimano 105 R7100, braze-on
  Rear derailleur: Shimano 105 R7100, max 36T
  Crankset: Shimano 105 R7100, 50/34T
  XS–S: 165mm
  M: 170mm
  ML–L: 172.5mm
  XL: 175mm
  Bottom bracket: Praxis, threaded T47
  Cassette: Shimano 105 7101, 11–34, 12-speed
  Chain: Shimano SLX M7100, 12-speed
  Max chainring: 1x: 54T, 2x: 56/43T

Wheels and Tires

• Wheels: Bontrager Paradigm 23, Tubeless Ready, 24 spokes, 23mm width, Presta valve
• Front hub: Bontrager alloy, sealed bearing, Centerlock disc, 100x12mm thru-axle
• Rear hub: Bontrager alloy, sealed bearing, Centerlock disc, Shimano 11-speed freehub, 142x12mm thru-axle
• Axles: Bontrager Switch beveled, removable lever
• Tires: Bontrager R3 Hard-Case Lite, Tubeless Ready, aramid bead, 170tpi, 700x28mm
• Max tire width: 32mm measured (see manual)

Components and Cockpit

• 
  Saddle:
  XS–S-M-ML-L-XL: Bontrager Aeolus Elite, austenite rails, 145mm width
• Seatpost:
  XS–S-M–M/L-L-XL: Madone aero carbon seatpost, 0mm offset, short
• Handlebar: Bontrager Comp alloy
  XS: Bontrager Comp, alloy, 31.8mm, reach 80mm, drop 121mm, control width 36cm, drop width 40cm
  S–M: Bontrager Comp, alloy, 31.8mm, reach 80mm, drop 121mm, control width 38cm, drop width 42cm
  ML–L: Bontrager Comp, alloy, 31.8mm, reach 80mm, drop 121mm, control width 40cm, drop width 44cm
  XL: Bontrager Comp, alloy, 31.8mm, reach 80mm, drop 121mm, control width 42cm, drop width 46cm
• 
  Reach 80mm / Drop 121mm
• Stem: Trek RCS Pro, -7°
  XS: 80mm
  S–M: 90mm
  ML–L: 100mm
  XL: 110mm
• Brakes: Shimano 105 hydraulic disc, flat mount
  Rotors: Max: 180mm front, 160mm rear

Why you’ll like it
Full System Foil profiles improve aerodynamics across the entire bike
OCLV 500 carbon frame is light and stiff in the right places
IsoFlow technology absorbs vibrations while maintaining efficiency
Shimano 105 12-speed drivetrain is reliable and precise
Tubeless Ready wheels reduce flats and improve rolling smoothness

Weight and limits
Weight (ML): 8.70 kg (with inner tubes)
Weight limit: 125 kg (bike + rider + load)

Sizes and Geometry
Available sizes: XS (47cm), S (50cm), M (52–54cm), ML (56cm), L (58cm), XL (60–62cm)
Rider height:
XS: 143–158 cm
S: 158–162 cm
M: 162–173 cm
ML: 173–179 cm
L: 179–188 cm
XL: 188–213 cm

Geometry designed to offer a balance of comfort, handling, and maximum aerodynamic efficiency. All specific measurements and angles are shown in the geometry chart.

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

Weights of bike and frame refer to pre-production painted products at time of printing. Finished product weight may vary.