Trek Domane SLR 7 Ultegra Di2 Gen 4 Carbon Endurance Road Bike
The Trek Domane SLR 7 Ultegra Di2 Gen 4 Road Bike is an ultra-light carbon endurance bike designed for speed, comfort and long-distance performance. Built with Trek’s premium 800 Series OCLV Carbon, the frame delivers a refined balance of stiffness and compliance for smooth, efficient riding.
It features a 2×12 Shimano Ultegra Di2 wireless electronic groupset for precise, reliable shifting and is equipped with OCLV Carbon wheels and handlebars to keep the weight low and the performance high. Ideal for riders who want race-ready speed with all-day comfort.
Technical Specification
| Frame | 800 Series OCLV Carbon, IsoSpeed, internal storage, tapered head tube, internal cable routing, 3S chain keeper, mudguard mounts, flat mount disc, 142×12 mm thru axle |
| Fork | Domane SLR carbon, tapered carbon steerer, internal brake routing, mudguard mounts, flat-mount disc, carbon dropouts, 12×100 mm thru axle |
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb) |
| Battery | Shimano BT-DN300 |
| Charger | Charging cable included |
| Shifter | Shimano Ultegra R8170 Di2, 12-speed |
| Front derailleur | Shimano Ultegra R8150 Di2, braze-on, down swing |
| Rear derailleur | Shimano Ultegra R8150 Di2, 34T max cog |
| Crank | |
| Size – 47, 50, Shimano Ultegra R8100, 50/34, 165 mm length | |
| Size – 52, 54, 56, Shimano Ultegra R8100, 50/34, 170 mm length | |
| Size – 58, 60, 62, Shimano Ultegra R8100, 50/34, 172.5 mm length | |
| Bottom bracket | Praxis, T47 threaded, internal bearing |
| Cassette | Shimano Ultegra R8101, 11-34, 12-speed |
| Chain | Shimano Ultegra/XT M8100, 12-speed |
| Max chainring size | 1x |
| Wheel front | Bontrager Aeolus Pro 51, OCLV Carbon, Tubeless Ready, 100×12 mm thru axle |
| Wheel rear | Bontrager Aeolus Pro 51, OCLV Carbon, Tubeless Ready, Shimano 11/12-speed freehub, 142×12 mm thru axle |
| Skewer front | Bontrager Switch thru-axle, removable lever |
| Skewer rear | Bontrager Switch thru-axle, removable lever |
| Rim | Bontrager Aeolus Pro 51, OCLV Carbon, Tubeless-Ready |
| Tyre | Bontrager Kwaremont RSL, tubeless ready, folding bead, dual compound, 320 tpi, 700×32 mm |
| Tyre part | Bontrager TLR sealant, 180 ml / 6 oz |
| Max tyre size | 38 mm without mudguards, 35 mm with mudguards (as measured, see manual for details) |
| Saddle | Verse Short Pro, carbon rails, 145 mm width |
| Seatpost | |
| Size – 47, 50, 52, 54, 56, KVF aero carbon seat post, 20 mm offset, 280 mm length | |
| Size – 58, 60, 62, KVF aero carbon seat post, 20 mm offset, 320 mm length | |
| Handlebar | |
| Size – 47, Bontrager Pro IsoCore VR-SF, 38 cm; Bontrager Aero Pro, OCLV Carbon, 31.8 mm, Di2 routing, 80 mm reach, 124 mm drop, 38 cm width | |
| Size – 50, 52, Bontrager Pro IsoCore VR-SF, 40 cm; Bontrager Aero Pro, OCLV Carbon, 31.8 mm, Di2 routing, 80 mm reach, 124 mm drop, 40 cm width | |
| Size – 54, 56, Bontrager Pro IsoCore VR-SF, 42 cm; Bontrager Aero Pro, OCLV Carbon, 31.8 mm, Di2 routing, 80 mm reach, 124 mm drop, 42 cm width | |
| Size – 58, 60, 62, Bontrager Pro IsoCore VR-SF, 44 cm; Bontrager Aero Pro, OCLV Carbon, 31.8 mm, Di2 routing, 80 mm reach, 124 mm drop, 44 cm width | |
| Handlebar tape | Trek EcoTack |
| Stem | |
| Size – 47, Trek RCS Pro, -7-degree, 70 mm length | |
| Size – 50, Trek RCS Pro, -7-degree, 80 mm length | |
| Size – 52, 54, Trek RCS Pro, -7-degree, 90 mm length | |
| Size – 56, 58, Trek RCS Pro, -7-degree, 100 mm length | |
| Size – 60, 62, Trek RCS Pro, -7-degree, 110 mm length | |
| Brake rotors | Shimano CL800, CentreLock, 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.














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