ABOUT:
Domane AL 4 Disc combines the smooth, comfortable qualities of an advanced alloy frame with the performance of higher-quality parts. It features an upgraded drive train and crisp hydraulic disc brakes for a fast road bike perfect for competitive group rides and even races.
It’s right for you if…
You plan to hop on your bike as much as possible, and even train for races and long charity rides. You want to invest in higher-quality performance parts that will keep pace with you as you continue to hone your road cycling skills.
The tech you get
A 2×10 (20 speed) Shimano Tiagra drive train has a wide range of gears for riding on any terrain. The lightweight aluminium frame has mudguard mounts and a stable Endurance Geometry for a confident ride and a carbon fork that absorbs road vibration. Plus, tubeless-ready rims and hydraulic disc brakes for stopping power in any conditions.
The final word
A solid, comfort-first road bike with upgrades on the parts that matter – like the drive train and brakes. Domane AL 4 Disc is built for miles of fun, fast riding on the road and even light gravel.
The Walkthrough
Why you’ll love it
- A light, comfortable frame and quality parts make it an amazing platform for long, fast group rides
- The unique IsoSpeed Carbon fork, which swoops forward toward the dropouts, absorbs vibrations from the road so your arms won’t fatigue as quickly
- Hydraulic disc brakes give you more precise and consistent stopping power in any conditions
- Bigger tyre clearance lets you run wider tyres for more traction and stability on rail trails and other light gravel roads
- DuoTrap S compatibility makes it easy to wirelessly track your rides, so you can set goals and watch yourself reach them
Premium alloy frame
Every Domane AL Disc has a lightweight aluminium frame with internal cable routing and smooth welds for race-ready looks and performance.
Long-haul comfort
The endurance geometry, wide tyres and carbon fork keep you comfortable when you’re setting distance records.
High-value performance
The Domane AL Disc is built in Trek’s road racing heritage, which means it’s a road bike you won’t outgrow as your rides get longer and faster.
Any road, any adventure
Disc brakes, extra tyre clearance and mounts for a rack and mudguards give it the versatility for any all-road adventure.
SPECIFICATIONS:
| Frame | 100 Series Alpha Aluminium, tapered head tube, internal routing, mudguard mounts, DuoTrap S-compatible, flat-mount disc, 142×12 mm thru axle |
|---|---|
| Fork | Domane AL carbon, tapered alloy steerer, internal brake routing, mudguard mounts, flat-mount disc, 12×100 mm thru axle |
| Frame fit | Endurance |
| Hub front | Formula RX-512 alloy, 6-bolt, 100×12 mm thru axle |
| Skewer front | Bontrager Switch 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 thru-axle, removable lever |
| Rim | Bontrager Affinity Disc, Tubeless Ready, 24-hole, 21 mm width, Presta valve |
| Tyre | Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700×32 c |
| Max tyre size | 35c without fenders, 32c with fenders |
| 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 | Size:Â 44 Shimano Tiagra 4700, 50/34, 165 mm length |
| Size:Â 49, 52 Shimano Tiagra 4700, 50/34, 170 mm length | |
| Size:Â 54, 56 Shimano Tiagra 4700, 50/34, 172.5 mm length | |
| Size:Â 58, 61 Shimano Tiagra 4700, 50/34, 175 mm length | |
| Bottom bracket | Prowheel PW-BB73+, 68/73 mm, threaded external |
| Cassette | Shimano 10-speed, 11-32T |
| Chain | Shimano Tiagra HG54, 10-speed |
| *Saddle | Size:Â 44, 49, 52 Bontrager P3 Verse Comp, steel rails, 155 mm width |
| Size:Â 54, 56, 58, 61 Bontrager P3 Verse Comp, steel rails, 145 mm width | |
| *Seatpost | Size:Â 44, 49 Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 250 mm length |
| Size:Â 52, 54, 56, 58, 61 Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 330 mm length | |
| *Handlebar | Size:Â 44, 49 Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 38 cm width |
| Size:Â 52 Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 40 cm width | |
| Size:Â 54, 56 Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 42 cm width | |
| Size:Â 58, 61 Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 44 cm width | |
| Handlebar tape | Bontrager Supertack Perf tape |
| *Stem | Size:Â 44 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length |
| Size:Â 49 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length | |
| Size:Â 52, 54 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length | |
| Size:Â 56, 58 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 100 mm length | |
| Size:Â 61 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 110 mm length | |
| Head set | FSA Integrated, sealed cartridge bearing, 1-1/8″ top, 1.5″ bottom |
| Brake | Shimano Tiagra hydraulic disc |
| *Brake rotor | Size:Â 44, 49, 52, 54, 56, 58, 61 Shimano RT66, 160 mm, 6-bolt |
| Size:Â 44, 49, 52, 54, 56, 58, 61 Shimano RT66, 6-bolt, 160 mm | |
| Weight | 56 – 10.48 kg / 23.11 lbs |
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb). |


































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