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Description
Domane 4 Series blows past any other carbon endurance race bike in its class, with IsoSpeed for comfort, Domane geometry for stability, and Power Transfer Construction for speed.
Put Domane 4 Series through its paces on your most challenging rides, and relish the new-found comfort of conquering the pavement.
IsoSpeed Technology
Upgrades from Domane 2 Series
Features
FRAME | 400 Series OCLV Carbon, E2, BB90, DuoTrap compatible, IsoSpeed |
FORK | Trek IsoSpeed carbon, E2 |
BOTTOM BRACKET | BB90 Trek integrated Shimano BB kit |
BRAKES | Shimano 105 brakes w/Shimano 105 STI levers |
CASSETTE | Shimano Tiagra 12-30, 10 speed |
CHAINSET | Shimano R565, 50/34 (compact) |
FRONT DERAILLEUR | Shimano 105, braze-on |
HANDLEBAR | Bontrager Race Blade VR-C, 31.8mm |
HEADSET | 1-1/8" semi-cartridge bearings |
REAR DERAILLEUR | Shimano 105 |
SADDLE | Bontrager Affinity 1, steel rails |
SEATPOST | Bontrager Carbon, 20mm offset |
SHIFTERS | Shimano 105 STI, 10 speed |
STEM | Bontrager Race Lite, 31.8mm, 7 degree |
TYRES | Bontrager R1, 700x25c |
WHEELS | Aluminium hubs w/Bontrager Approved aluminium rims |
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.
Delivery & Returns
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Important Update for Our US Customers
We regret to inform you that due to ongoing challenges related to current US tariffs, shopping on Sigma Sports is temporarily unavailable for customers based in the United States.
We understand how disappointing this may be and sincerely apologize for any inconvenience caused. Please rest assured that we are actively exploring solutions to resume service and find the best way to support our US community.
We appreciate your patience and understanding during this time, and we look forward to welcoming you back as soon as possible.
If you require any further assistance, please reach out to the customer services team
— The Sigma Sports Team