Trek Domane AL 4 Gen 4 Road Bike
If you’re looking to start your road biking journey and need a bike that’s comfortable, smooth, and budget-friendly, the Domane AL 4 is an excellent choice. Ideal for riding primarily on roads, the Trek also offers the versatility to handle rail trails and crushed gravel paths. Whether you’re planning long, sun-soaked rides or quick spins around the neighborhood, this bike is designed to keep you comfortable for as long as you want to pedal.
The Domane AL 4 features a 100 Series Alpha Aluminium frame with advanced tube shaping that offers both premium aesthetics and a high-quality ride. It comes equipped with a 10-speed Shimano Tiagra drivetrain for reliable shifting, powerful disc brakes for consistent all-weather stopping, and durable wheels. The bike also includes integrated frame mounts for extra gear, 32 mm tubeless-ready road tires for added comfort, and flared handlebars for enhanced control and stability. With its balance of comfort, speed, and versatility, the Domane AL 4 is the perfect road bike for those ready to venture off the beaten path.
Technical Specification
| Frame | 100 Series Alpha Aluminium, tapered head tube, internal routing, mudguard mounts, flat-mount disc, UDH, 142×12 mm thru axle |
| Fork | Domane AL carbon, tapered carbon steerer, internal brake routing, fender mounts, flat mount disc, 12x100mm thru axle |
| Weight | 56 – 10.35 kg / 22.82 lb |
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 125 kg (275 lb). |
| Shifter | Shimano Tiagra R4720, 10-speed |
| Front derailleur | Shimano Tiagra 4700, 31.8 mm clamp |
| Rear derailleur | Shimano Tiagra 4700, long cage, 34T max cog |
| Crank | Shimano Tiagra 4700, 50/34 |
| Bottom bracket | Shimano RS501 BSA |
| Cassette | Shimano 10-speed, 11-32T |
| Chain | Shimano Tiagra HG54, 10-speed |
| Max. chainring size | 1x 50T; 2x 50/34 |
| Hub front | Formula RX-512 alloy, 6-bolt, 100×12 mm thru axle |
| Skewer front | Bontrager Switch chamfered thru axle, removable lever |
| Hub rear | Formula RX-142 alloy, 6-bolt, Shimano 11-speed freehub, 142×12 mm thru axle |
| Skewer rear | Bontrager Switch chamfered thru axle, removable lever |
| Rim | Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21 mm width, Presta valve |
| Spokes | 14 g stainless steel, black |
| Tyre | Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700×32 mm |
| Max tyre size | 38 mm without mudguards, 35 mm with mudguards |
| Saddle | Verse Short, steel rails, 145 mm width |
| Seatpost | Bontrager Comp, 6061 alloy |
| Handlebar | Bontrager Comp, alloy |
| Handlebar tape | Bontrager Supertack Perf tape |
| Stem | Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree |
| Brake | Shimano Tiagra hydraulic disc |
| Brake rotor | Shimano RT66, 6-bolt, 160 mm |
| Rotor size | Max brake rotor sizes 160 mm front and rear |
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.















































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