Description
Trek Domane AL 4 Gen 4 Road Bike 2027
Elevate your cycling experience with the Trek Domane AL 4 Gen 4, a highly versatile road bike engineered for riders who are ready to push their limits, ride faster, and explore farther. This machine pairs a lightweight 100 Series Alpha Aluminium frame with an endurance-focused geometry that ensures all-day comfort without sacrificing speed. Perfect for everything from high-mileage club runs to spirited weekend adventures, it bridges the gap between elite performance and accessible everyday utility. With integrated top tube, frame, and mudguard mounts, it adapts seamlessly to your lifestyle, whether you are packing light for a fast commute or stripping it down for a pure tarmac assault.
Advanced Drivetrain and Premium Control
At the heart of this upgrade is the 11-speed Shimano Tiagra drivetrain, providing exceptionally smooth shifting and a significantly wider gear range than entry-level setups. The 11-36 cassette ensures you have the perfect gear for spinning up steep, grueling climbs as well as powering down fast descents. To match this enhanced speed, the bike features powerful Shimano hydraulic disc brakes paired with 160 mm rotors, delivering precise, effortless stopping power and unmatched modulation in both bone-dry and soaking-wet conditions.
All-Road Capability and Refined Comfort
Designed to blur the lines between tarmac and trail, this model boasts generous tire clearance that allows you to confidently transition from smooth asphalt to adventurous gravel detours. The Domane AL carbon fork works in harmony with the frame to dampen fatiguing road vibrations, keeping your hands, arms, and shoulders fresh during epic endurance sessions. Completed with robust, tubeless-ready Bontrager Paradigm rims and a supportive Verse Short saddle, this bike is fully equipped to deliver a confident, compliant, and exhilarating ride on any surface you choose to conquer.
Technical Specification
| 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 - 10.10 kg |
| Shifter | Shimano Tiagra R4020 |
| Front Derailleur | Shimano Tiagra R4000, down swing |
| Rear Derailleur | Shimano Tiagra R4000 |
| Crankset | Shimano Tiagra R4000, 50/34 |
| Bottom Bracket | Shimano RS501 BSA |
| Cassette | Shimano RS400, 11-36, 11-speed |
| Chain | Shimano LG500 |
| 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 |
| Brake Rotor | Shimano RT66, 6-bolt, 160 mm |
Built, Checked, Tuned and Tested
All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if included), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.
All bikes collected from our shop, are built, tested and ready to ride. For hassle-free home delivery and bike set-up from a qualified mechanic use our Premier Delivery Service.
Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. Bikes ordered for delivery will not arrive with the pedals installed, please refer to the owners manual and pedal installation guides provided for guidance. We do not install accessories to bikes, including mudguards. Bikes ordered for delivery that have tubeless compatible tyres and rims will arrive with inner tubes installed or with tubeless valves installed, this will be brand dependent. Sealant is available to be purchased separately.
If you require any assistance please contact our Customer Care team.
Size Guide
Trek Domane AL 4 Gen 4 Road Bike 2027 Sizing
Delivery & Returns
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