Description
Trek Domane SL 6 105 Di2 Gen 4 Road Bike
The Trek Domane SL 6 105 Di2 Gen 4 Road Bike is a lightweight endurance bike designed for comfort, efficiency and performance over long distances. Its 500 Series OCLV Carbon frame delivers a smooth, stable ride with aerodynamic tube shaping to help you go faster with less effort.
A wireless Shimano 105 Di2 electronic drivetrain provides precise, reliable shifting, while alloy wheels and handlebars strike a balance between value and performance. Ideal for riders who want modern tech and all-day comfort without stepping into the top-tier price range.
Technical Specification
| Frame | 500 Series OCLV Carbon, IsoSpeed, internal storage, tapered head tube, internal cable routing, 3S chain keeper, mudguard mounts, flat mount disc, 142x12 mm thru axle |
| Fork | Domane SL carbon, tapered carbon steerer, internal brake routing, mudguard mounts, flat-mount disc, 12x100 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 105 R7170, 12-speed |
| Front derailleur | Shimano 105 R7150 Di2, braze-on, down swing |
| Rear derailleur | Shimano 105 R7150 Di2, 36T max cog |
| Crank | |
| Size - 44, 47, 50 | Shimano 105 R7100, 50/34, 165 mm length |
| Size - 52, 54, 56 | Shimano 105 R7100, 50/34, 170 mm length |
| Size - 58, 60, 62 | Shimano 105 R7100, 50/34, 172.5 mm length |
| Bottom bracket | Praxis, T47 threaded, internal bearing |
| Cassette | Shimano 105 7101, 11-34, 12-speed |
| Chain | Shimano SLX M7100, 12-speed |
| Max chainring size | 1x |
| Wheel front | Bontrager Aeolus Elite 35, OCLV Carbon, Tubeless Ready, 35 mm rim depth, 100x12 mm thru axle |
| Wheel rear | Bontrager Aeolus Elite 35, OCLV Carbon, Tubeless Ready, 35 mm rim depth, Shimano 11-speed freehub, 142x12 mm thru axle |
| Hub front | Bontrager alloy, sealed bearing, CenterLock disc, 100x12 mm thru axle |
| Skewer front | Bontrager Switch thru-axle, removable lever |
| Hub rear | Bontrager Affinity Comp, Shimano 11/12 speed freehub, 142x12 mm thru axle |
| Skewer rear | Bontrager Switch thru-axle, removable lever |
| Rim | Bontrager Aeolus Elite 35, OCLV Carbon, Tubeless Ready, 35 mm rim depth, 100x12 mm thru axle |
| Rim strip | Bontrager TLR |
| Max tyre size | 38 mm without mudguards, 35 mm with mudguards (as measured, see manual for details) |
| Saddle | Verse Short Comp, steel rails, 145 mm width |
| Seatpost | |
| Size - 44, 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 - 44, 47 | Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop, 36 cm control width, 40 cm drop width |
| Size - 50, 52 | Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop, 38 cm control width, 42 cm drop width |
| Size - 54, 56, 58 | Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop, 40 cm control width, 44 cm drop width |
| Size - 60, 62 | Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop, 42 cm control width, 46 cm drop width |
| Handlebar tape | Trek EcoTack |
| Stem | |
| Size - 44 | Trek RCS Pro, -7-degree, 60 mm length |
| 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 rotor | Shimano CL700, 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.
Size Guide
Trek Domane SL 6 105 Di2 Gen 4 Road Bike Sizing
Delivery & Returns
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Why buy your bike from Sigma Sports?
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