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Trek Domane AL 2 Gen 4 Road Bike 2027

Discover the freedom of the open road with the Trek Domane AL 2 Gen 4, a lightweight road bike meticulously engineered for riders seeking speed, versatility, and confidence. Built around a premium 100 Series Alpha Aluminium frame, this machine blends an endurance-focused geometry with modern performance features. Whether you are aiming to keep pace on your first group ride, boosting your fitness, or transforming your daily commute into a fast-paced adventure, this bike delivers a smooth and stable ride. With integrated rack, fender, and top tube mounts, it transitions effortlessly from a streamlined weekend racer to a highly capable everyday utilitarian.

Endless Versatility and Capability

One of the standout features of this generation is its exceptional versatility, allowing you to venture far beyond traditional smooth asphalt. The frame and carbon fork are designed with generous tire clearance, enabling you to swap the standard road tires for wider rubber to confidently tackle light gravel paths and rough backroads. Coupled with reliable Tektro dual-piston mechanical disc brakes, you gain consistent, powerful stopping performance in all weather conditions, ensuring you stay in complete control even on rainy descents or loose surfaces.

Dependable Performance and Smart Componentry

Every component on this model is selected to maximize durability and value without sacrificing on-road efficiency. The 8-speed Shimano Claris drivetrain provides crisp, dependable shifting across a wide range of gears, making it easier to conquer steep climbs and sprint on flat sections. Upfront, the Domane AL carbon fork absorbs fatiguing road vibrations to keep your hands and shoulders fresh during all-day epics. From the tubeless-ready Bontrager Paradigm rims to the comfortable Verse Short saddle, this bike is fully equipped to help you push your limits and discover new horizons.

Features
  • Frame: 100 Series Alpha Aluminium, tapered head tube, internal routing, mudguard mounts, flat-mount disc, UDH, 142x12 mm thru axle
  • Fork: Domane AL carbon, tapered carbon steerer, internal brake routing, mudguard mounts, flat-mount disc, 12x100 mm thru axle
  • Weight: 56 - 10.35 kg / 22.82 lbs
  • Weight Limit: This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb).
  • Shifter Left: Shimano Claris ST-R2000-L, 8 speed, left
  • Shift Right: Shimano Claris ST-R2000-R, 8 speed, right
  • Front Derailleur: Shimano Claris R2000, 31.8 mm clamp
  • Rear Derailleur: Shimano Claris R2000, medium cage, 34T max cog
  • Crankset: Shimano RS200, 50/34
  • Bottom Bracket: Shimano UN300, 68 mm, threaded cartridge, 110 mm spindle
  • Cassette: Shimano HG31, 11-32, 8-speed
  • Chain: Shimano Sora HG71, 8 speed
  • Hub Front: Formula RX-512 alloy, 6-bolt, 100x12 mm thru axle
  • Hub Rear: Formula RX-142 alloy, 6-bolt, Shimano 11-speed freehub, 142x12 mm thru axle
  • Rim: Bontrager Paradigm 23, Tubeless Ready, 24-hole, 23 mm width, Presta valve
  • Tyres: Bontrager Kwaremont Comp, Hard-Case Lite, wire bead, 60 tpi, 700x32 mm
  • Saddle: Verse Short Comp, steel rails, 145 mm width
  • Seatpost: Bontrager Comp, 6061 alloy
  • Handlebar: Bontrager Comp, alloy
  • Bar Tape: Trek gel cork
  • Brakes: Tektro C550 mechanical disc brake, dual piston, flat mount
Specifications
Model
Domane AL 2 Gen 4
Bottom Bracket [Maker]
Shimano
Bottom Bracket Standard
BSA
Brakes [Kind]
Mechanical Disc
Brakes [Maker]
Tektro
Brakes [Model]
C550
Cassette [Gearing]
11-32
Cassette [Maker]
Shimano
Cassette [Model]
HG31
Chain [Maker]
Shimano
Chain [Model]
Sora HG71
Chainring [Gearing]
50/34
Crank [Maker]
Shimano
Crank [Model]
RS200
Discipline Compatibility
Road
E-Bike
No
F Hub [Maker]
Formula
F Hub [Model]
RX-512
Family
Domane+
FD [Maker]
Shimano
FD [Model]
Claris R2000
Fenders Mounts
Yes
Fork [Axle Diameter]
12 mm
Fork [Axle Type]
12x100mm Thru-Axle
Fork [Brake Type]
Disc
Fork [Maker]
Trek
Fork [Material]
Carbon
Fork [Model]
Domane AL carbon
Fork [Wheel Size]
700c
Frame [Hanger Standard]
UDH
Frame [Material]
Aluminium
Frameset
No
Gearing [Configuration]
2x
Gearing [Kind]
Conventional
Gender
Unisex
Handlebar [Kind]
Drop
Handlebar [Maker]
Bontrager
Handlebar [Material]
Aluminium
Handlebar [Shape]
Drop bar
R Hub [Maker]
Formula
R Hub [Model]
RX-142
Rack Mounts
Yes
RD [Maker]
Shimano
RD [Model]
Claris R2000
Saddle [Maker]
Bontrager
Saddle [Material]
Steel
Saddle [Width]
145 mm
Seatpost [Diameter]
27.2
Seatpost [Maker]
Bontrager
Seatpost [Material]
Aluminium
Shifters [Maker]
Shimano
Shifters [Model]
Claris ST-R2000
Shifting
Mechanical
Stem [Material]
Aluminium
Sub Family
Domane AL Gen 4
Suspension Configuration
Rigid
Tires [Maker]
Bontrager
Tires [Width]
32 mm
Wheels [Configuration]
Front+Rear
Wheels [Kinds]
Tubeless Ready
Wheelset [Inner Width]
23 mm
Wheelset [Maker]
Bontrager
Wheelset [Material]
Aluminium
Wheelset [Model]
Paradigm 23
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Shipping & Returns

Free UK delivery on orders over £50. Orders are dispatched within 1-2 working days and typically arrive 1-2 working days later.

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.

Why buy your bike from Sigma Sports?