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2048589 / 54478998667610

Product Details

Trek Madone SL 5 Pro Gen 8 105 Road Bike 2027

The Trek Madone SL 5 Pro Gen 8 2027 combines race-bred speed with long-distance comfort, delivering top-tier aerodynamic performance in a package designed for ambitious road riders. Constructed from lightweight 500 Series OCLV Carbon, the frame features Full System Foil tube shaping that minimises aerodynamic drag across the entire rider-and-bike system. At the heart of its endurance efficiency is Trek’s innovative IsoFlow seat tube technology, which flexes over rough tarmac to absorb road vibrations, reducing physical fatigue during long efforts while maintaining crisp handling and maximum power transfer. Fitted with deep-section Bontrager Aeolus Elite 48 carbon tubeless-ready wheels, this bike holds speed effortlessly, offering an immediate competitive edge on fast group rides, local crits, and sportive climbs.

Exceptional Precision with Shimano 105 Shifting

Engineered for dependable, high-efficiency mechanical performance, the bike is powered by a full 12-speed Shimano 105 R7120 groupset. Designed with a wide-range 11-34 cassette and a 50/34 compact chainset, it delivers smooth gear transitions across varied terrain, allowing riders to maintain their ideal cadence whether pacing up steep gradients or sprinting across flat sections. Shimano CL700 hydraulic disc brakes with 160 mm rotors ensure responsive, confidence-inspiring stopping power in dry or wet conditions. The clever integration of the RCS Headset System keeps cables neatly routed out of the wind for a clean cockpit aesthetic and improved serviceability, while the inclusion of a universal derailleur hanger makes future component maintenance straightforward and stress-free.

Race-Ready Specification and Versatile Fit

Every detail of the Madone SL 5 Pro Gen 8 is refined to optimise comfort and efficiency straight out of the box. The contact points feature an ergonomically shaped Bontrager Aeolus Elite saddle with durable austenite rails, paired with a dedicated Madone aero carbon seatpost and shock-absorbing Trek Gel Cork handlebar tape. Fitted with high-traction 28 mm Bontrager Aeolus Pro tubeless-ready tyres—and supporting tyre clearances up to 32 mm—this platform allows cyclists to fine-tune their ride feel for enhanced grip and compliance on harsher surfaces. Offering the ideal blend of aerodynamic efficiency, mechanical reliability, and carbon wheel performance, it stands out as the ultimate upgrade for cyclists seeking uncompromising speed and everyday versatility.

Features
  • 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
  • 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: M, ML, Shimano 105 R7100, 50/34, 165 mm length/ Size: L, XL, Shimano 105 R7100, 50/34, 170 mm 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
  • Front Wheel: Bontrager Aeolus Elite 48, Tubeless Ready, 6-bolt, 100mm, 12mm thru axle, 700C
  • Rear Wheel: Bontrager Aeolus Elite 48, Tubeless Ready, Shimano 12-speed freehub, 6-bolt, 142mm, 12mm thru axle, 700C
  • Skewer Front: Bontrager Switch chamfered thru axle
  • Skewer Rear: Bontrager Switch chamfered thru axle, removable lever
  • Tyre: Bontrager Aeolus Pro, Tubeless Ready, aramid bead, 120 tpi, 700x28 mm
  • Tyre Part: Bontrager TLR sealant, 180 ml/6 oz
  • Max Tyre Size: 32mm
  • Saddle: Bontrager Aeolus Elite, austenite rails, 145 mm width
  • Seatpost: Madone aero carbon seat post, 0 mm offset, short length
  • Handlebar: Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop
  • Handlebar Tape: Trek Gel Cork tape
  • Stem: Trek RCS Pro, -7-degree
  • Brake Rotor: Shimano CL700, CentreLock, 160 mm
Specifications
Gender
Unisex
Product code
2048589 / 54478998667610
Size Guide
Size44cm49cm52cm54cm56cm58cm61cm
Rider Height (cm)150 - 153156 - 163163 - 168168 - 174174 - 180180 - 185185 - 191
Inseam (cm)71 - 7374 - 7776 - 7978 - 8281 - 8584 - 8786 - 90
Rider Height (inches)4'11" - 5'0"5'1" - 5'4"5'4" - 5'6"5'6" - 5'9"5'9" - 5'11"5'11" - 6'1"6'1" - 6'3"
Inseam (inches)28" - 29"29" - 30"30" - 31"31" - 32"32" - 33"33" - 34"34" - 35"
Seat Tube (ctr-top)390440475500525548576
Seat Tube (ctr-ctr)-------
Effective Top Tube507516530542554567586
Actual Top Tube -------
Seat Angle (°)74.674.674.273.773.37372.7
Head Tube Angle (°)70.370.871.371.371.97272.1
Head Tube Length95123145160175195235
Fork Rake53535353484848
Chainstay Length420425420420420425425
Wheelbase983100110031010100810221038
Stack510540561575591611646
Reach360368371374377380385
Crank Length165170170170175175175
Stem Length70809090100100110
Handlebar Width380400420420420440440
Saddle Width155155155145145145145
Trek Domane AL Disc Size Guide 2022

All measurements in mm unless otherwise stated.

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Return unused items in their original packaging within 30 days of delivery. Return postage is £3.50.

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About Trek

The best bike, ridden everywhere.

Founded in a Wisconsin barn in 1976, Trek has grown into one of the world's most recognised bicycle brands without losing the obsession that started it all: build the best bike, ride it further, share it with everyone.

Trek believes the bicycle is a simple solution to many of the world's most complicated problems. Every bike Trek builds — from the Madone race weapon to the Marlin trail bike — is made with that conviction. More riders, more often, on better bikes.