Domane SL 4 Disc is the introductory carbon model in our road-smoothing family and offers incredible performance at great value. The OCLV Carbon frame has both Front and Rear IsoSpeed for unmatched ride quality that helps you stay stronger for longer. It also has an internal storage compartment for ride essentials and powerful disc brakes that give you wider tyre clearance and all-weather stopping power.
It's right for you if...
You want an amazing performance road bike at a great value. You're looking for a carbon bike with a super smooth ride that will help you perform your best on long rides. You also want the added capability and confidence of disc brakes and wider tyres.
The tech you get
A 500 Series OCLV Carbon frame with road-smoothing Front and Rear IsoSpeed, a stable Endurance Geometry, powerful flat-mount disc brakes and a 2x10 Shimano Tiagra drive train. Plus, a micro-adjust seat mast, mudguard mounts and Tubeless Ready wheels wrapped in wider 700x32 tyres. Internal storage and cable routing add to the bike's capability and sleek look.
The final word
Domane SL 4 Disc is the introductory carbon model in the family, but when you make the small jump in price from aluminium models, you get a big jump in tech, including a much lighter frame, Front and Rear IsoSpeed, a full carbon fork and the added stopping power and tyre clearance that disc brakes provide.
Why you'll love it
It's a lightweight carbon bike with disc brakes at an exceptional price, with dependable parts that keep the price in check without compromising performance
It's the most affordable bike with disc brakes and IsoSpeed at both the front and rear
The unique IsoSpeed Carbon fork, which swoops forward toward the dropouts, absorbs vibrations from the road so your arms won't fatigue as quickly
This is the gateway to adventure road riding, so you'd better eat a big breakfast – this bike won't quit until you do
A sleek internal storage compartment gives you a versatile spot to stow tools and gear
Features
The smooth advantage
Front and Rear IsoSpeed soak up fatiguing bumps in the road so you can stay stronger longer.
Massive tyre clearance
Domane can fit tyres up to 38c wide for fast, confident riding on the roughest roads.
Stow it, don’t show it
A frame-integrated storage compartment gives you a versatile spot to stow tools and gear.
Faster than ever
Design elements like hidden cables and aerodynamic tube shaping give you free speed
Specifications
*spec applies to all sizes unless otherwise noted
Wheels
Front Hub: Bontrager alloy, sealed bearing, CenterLock, 100x12 mm thru axle
Rear Hub: Bontrager alloy, sealed bearing, CenterLock, Shimano 11-speed freehub, 142x12 mm thru axle
Rim: Bontrager Affinity Disc, Tubeless Ready, 24-hole, 21 mm width, Presta valve
Tire: Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32 c
Drivetrain
Shifter: Shimano Tiagra R4725, short-reach lever, 10-speed
Rear Derailleur: Shimano Tiagra 4700, long cage
*Crank: Size: 50, 52
Praxis Alba M30, 50/34 (compact), 30 mm spindle, 170 mm length
Size: 54, 56
Praxis Alba M30, 50/34 (compact), 30 mm spindle, 172.5 mm length
Size: 58, 60, 62
Praxis Alba M30, 50/34 (compact), 30 mm spindle, 175 mm length
Size: 47
Praxis Alba M30, 50/34 (compact), 30 mm spindle, 165 mm length
Bottom Bracket: Praxis, T47 threaded, internal bearing
Cassette: Shimano Tiagra HG500, 12-28, 10-speed
Chain: Shimano Tiagra HG54, 10-speed
Components
Saddle: Bontrager Arvada Comp, steel rails, 138 mm width
*Seatpost: Size: 47, 50, 52, 54, 56
Bontrager carbon seatmast cap, integrated light mount, 20 mm offset, 135 mm length (short)
Size: 58, 60, 62
Bontrager carbon seatmast cap, integrated light mount, 20 mm offset, 175 mm length (long)
*Handlebar: Size: 50
Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 38 cm width
Size: 52
Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 40 cm width
Size: 54, 56
Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 42 cm width
Size: 58, 60, 62
Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 44 cm width
Size: 47
Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 36 cm width
Handlebar Tape: Bontrager Supertack Perf tape
*Stem: Size: 50
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length
Size: 52, 54
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length
Size: 56, 58
Bontrager Elite, 31.8 mm clamp, Blendr-compatible, 7-degree, 100 mm length
Size: 60, 62
Bontrager Elite, 31.8 mm clamp, Blendr-compatible, 7-degree, 110 mm length
Size: 47
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length
Weight
Weight
56 - 9.87 kg / 21.75 lbs
Weight limit
This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb).
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Bike and frame weights are based on Trek pre-production painted frames at the time of publication. Weights may vary in final production
Buy Trek Domane SL 4 2021 Road Bike online