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Trek Domane 4.5

£1,800.00 £1,699.00

Domane with IsoSpeed has it all: Blistering speed. Incredible race comfort and stability, even on the punishing pavé of Flanders and Roubaix. Don’t endure. Conquer.

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World’s best endurance bike

All the performance, twice the compliance: The IsoSpeed decoupler isolates the seat tube from the rest of the frame, doubling compliance and smoothness with zero performance drawbacks.

More stiffness, more compliance: The IsoSpeed fork is a one-two punch: 30% more stiffness dramatically improves handling, and the additional compliance from the ride-tuned sweep gives you a smoother ride.

400 Series OCLV

OCLV Carbon: the industry leader: Over two decades ago, Trek engineers developed our Optimum Compaction, Low Void carbon manufacturing process, enabling us to produce carbon bikes with consistency and quality previously thought impossible. To this day, Trek OCLV Carbon continues to lead the industry, advancing the possibilities in carbon frames.

Each level of OCLV offers the best ride for the money, thanks to an optimal balance of areal weight, stiffness, and compliance. The areal weight range and modulus mix of 400 Series OCLV puts ultra high performance within reach, providing an exhilarating sense of acceleration and confident handling.

We minimise overall frame weight by using precisely the right amount of material, no more, no less, at every point of the frame for optimal performance and strength. This level of frame refinement requires the unique mix of ultra-high-quality raw materials and the exacting manufacturing only Trek can provide.

Net Moulding

An OCLV Carbon exclusive. Our proprietary moulding process allows us to create the precise, extremely-tight-tolerance shapes required for the best ride quality and performance, like our integrated cupless BB90 bottom bracket and our cupless Net Moulded head tube.

Endurance fit

As befits the world’s most advanced endurance racing bikes, we’ve developed the world’s most stable racing geometry. Still racy, but with a slightly higher head tube. You’re more balanced over the bike for stability, and your back stays more comfortable through the entire ride.

Endurance geometry

The perfect balance: It took over two years of engineering and testing to perfect our high-performance, ultra-stable endurance geometry. We considered every frame construction and fit detail to arrive at the perfect balance of speed, stability and smoothness. Then we asked Fabian Cancellara to give it his all on Flemish cobbles. His verdict: Perfetto.
The perfect fit: A slightly higher head tube positions your body for real endurance riding without sacrificing speed. You’re more balanced over the bike for stability, and your back will thank you at the end of the ride.

Greater fork offset: A race-tested 20% increase in fork offset over Madone keeps the rider settled on the bike and positions the wheel optimally for high-speed and rough-road stabilisation. Result? Three-time Paris-Roubaix champion Fabian Cancellara says Trek endurance geometry makes for “the most stable bike I’ve ever used on cobbles.”

IsoSpeed decoupler

At the core of Trek’s endurance comfort technology is the IsoSpeed decoupler, the result of an 18-month study of how a racing bike performs over rough roads, and how that performance affects the rider.

Trek engineers designed a decoupler that allows the seat tube to rotate independently from the top-tube-to-seatstay junction, increasing vertical compliance to twice that of our nearest competitor, without compromising pedalling efficiency. Result: you can ride harder, longer.

Power Transfer Construction

Put more power to the road: Get the most out of every pedal stroke with Power Transfer Construction. This Trek innovation applies more of your pedalling power to the road by optimising the head tube/down tube/bottom bracket/rear wheel connection.

It’s made possible by two features found only on Trek race performance frames: our asymmetric, wider-at-the-bottom E2 head tube, and our BB90 bottom bracket, the widest available on a road bike. Power Transfer Construction connects the two with a wide, ultra-stiff down tube that transfers more power, for more speed out of every pedal turn.

IsoSpeed fork

It’s a one-two punch: generous ride-tuned sweep and shape increases compliance for a smoother ride, and unique dropout placement optimises the wheelbase.
An extra curve above the dropout in our swept-leg design creates a smaller angle to the direction of road vibrations. This angle increases fore/aft compliance, better positioning the fork leg to absorb road force rather than transmitting it straight to the rider. We’ve also increased fork lateral stiffness, maximising both smoothness and control.

E2 head tube and fork

Our E2 head tube tapers from a 1.5″ lower bearing to a 1-1/8″ upper bearing, and is wider side to side than front to back. This asymmetric steering system minimises weight while maximising power transfer and keeping the fork stiffer under cornering loads. Result: a more powerful and confident ride.

3S integrated chain keeper

Our 3S chain keeper is integrated directly into the bike frame. It’s an elegant solution that provides flawless gear shifting even on rough roads and under heavy loads. No more standing on the side of the road, covered in grease, unwedging your dropped chain as competitors race by.

BB90

Wider is better: BB90 is the widest bottom bracket available on a road bike. This Trek-exclusive carbon BB makes the frame lighter, stiffer, and quicker to accelerate.
Lighter is better, too: BB90 eliminates the need for extra inserts and parts in the bottom bracket/frame junction. Fewer parts mean a lighter frame. And a lighter frame means a faster ride.

DuoTrap compatible

The end of cable ties: DuoTrap seamlessly integrates the computer sensor into the frame to measure speed, distance, and cadence with no added aerodynamic drag. It works with all the major ANT+ wireless technology players, including Bontrager, Garmin, PowerTap, and SRM.

Vanishing mudguard mounts

Discreet mounts accommodate full-coverage mudguards for added utility.

 


 Upgrades from Domane 4.3

  • Shimano Ultegra drivetrain
  • Bontrager Race Tubeless Ready wheelset
  • Bontrager Paradigm 3 saddle
  • Shimano 105 brakeset
  • Bontrager R2 tyres

Technical Specifications

Frameset

  • Colours: Matte Trek Black & Dnister Black & Viper Red
  • Frame: 400 Series OCLV Carbon, E2, BB90, DuoTrap compatible, IsoSpeed, 3S chain keeper
  • Fork: Trek IsoSpeed carbon, E2
  • Sizes: 50, 52, 54, 56, 58, 60, 62cm
  • Frame fit: Endurance

Wheels

  • Wheels: Bontrager Race Tubeless Ready
  • Tyres: Bontrager R2 Hard-Case Lite, 700x25c

Drivetrain

  • Shifters: Shimano Ultegra, 11 speed
  • Front derailleur: Shimano Ultegra, braze-on
  • Rear derailleur: Shimano Ultegra
  • Crank: Shimano RS500, 50/34 (compact)
  • Cassette: Shimano 105 11-32, 11 speed
  • Chain: Shimano 105

Components

  • Saddle: Bontrager Paradigm 3
  • Seatpost: Bontrager Carbon, 2-bolt head, 27.2mm, 8mm offset
  • Handlebar: Bontrager Race Blade VR-C, 31.8mm
  • Stem: Bontrager Race Lite, 31.8mm, 7 degree
  • Headset: Integrated, cartridge bearings, sealed, 1-1/8” top, 1.5” bottom
  • Brakeset: Shimano 105

Accessories

  • Grips:Bontrager gel cork tape

Additional information

Frame Size:

54

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