Domane+ SLR 9 is our best carbon endurance e-road bike. It all starts with a featherweight 800 Series OCLV Carbon frame decked out with top-tier parts for the ultimate performance on every ride. You get the quiet, smooth boost of TQs HPR60 motor that makes long rides feel like a breeze. It comes equipped with a 2×12 Shimano Dura-Ace Di2 drivetrain for rapid-fire smooth shifts, Bontrager Aeolus RSL OCLV Carbon wheels, carbon cranks, a carbon seatpost, and carbon Bontrager Aero Pro handlebars that absorb vibrations from rough roads.
Compact, quiet, and mighty e-system
The TQ harmonic pin ring motor is super efficient with an amazing range-to-weight-to-speed ratio. Its ultra-compact, whisper-quiet, and offers an unbelievably natural-feeling assist up to 28 mph.
Ultra-lightweight
Domane+ SLR is our lightest e-bike ever, weighing only ~26 pounds thanks to our best and lightest 800 Series OCLV Carbon and a smart frame designed to shave weight.
Designed to go the distance
An integrated 360Wh battery is hidden in the downtube and offers an impressive range of around 60 miles in Eco mode.
Optional Range Extender
Explore farther with an optional 160Wh Range Extender that gives you an extended total range of around 90 miles in Eco mode. Want even more miles? The Trek Connect App lets you customize your assist to extend your range even more.
The smooth advantage
Newly refined IsoSpeed soaks up fatiguing bumps and saves weight so you can ride stronger longer.
Real road feel
A road-specific tune, narrow Q factor, and intuitive mode change buttons on the hoods make Domane+ SLR feel and handle like a traditional bike with the added benefits of electric.
| Frame |
800 Series OCLV Carbon, TQ drive system, tapered head tube, rear IsoSpeed, internal routing, flat mount disc, fender mounts, 142x12mm thru axle |
| Fork |
Domane+ carbon, tapered carbon steerer, internal brake routing, fender mounts, flat mount disc, 12x100mm thru axle |
| Wheel Front |
Bontrager Aeolus RSL 37, OCLV Carbon, Tubeless Ready, 37mm rim depth, 100x12mm thru axle |
| Wheel Rear |
Bontrager Aeolus RSL 37, OCLV Carbon, Tubeless Ready, 37mm rim depth, 142x12mm thru axle |
| Tire |
Bontrager Kwaremont RSL TLR, tubeless ready, folding bead, Race Dual-Compound, 320 tpi, 700x32mm |
| Tire Part |
Bontrager TLR sealant, 6oz |
| Skewer Front |
Bontrager Switch thru axle |
| Skewer Rear |
Bontrager Switch thru axle, removable lever |
| Shifter |
Shimano Dura-Ace R9270 Di2, 12 speed |
| Front Derailleur |
Shimano Dura-Ace R9250 Di2, braze-on, down swing |
| Rear Derailleur |
Shimano Dura-Ace R9250 Di2, 34T max cog |
| Crank |
Praxis Carbon, 165mm length |
| Cassette |
Shimano Dura-Ace R9200, 11-34, 12 speed |
| Chain |
Shimano Dura-Ace/XTR M9100, 12 speed |
| Chainring |
Praxis, 50/34T, 12 speed |
| Brake |
Shimano Dura-Ace hydraulic disc, flat mount |
| Brake Rotor |
Shimano CL900, centerlock, 160mm |
| Saddle |
Verse Short Pro, carbon rails, 145mm width |
| Seatpost |
KVF aero carbon seatpost, 20mm offset, 280mm length |
| Handlebar |
Bontrager Pro IsoCore VR-SF, 40cm |
| Stem |
Trek RCS Pro, -7 degree, 80mm length |
| Battery |
TQ 360Wh |
| Motor |
TQ-HPR60, 60 Nm, 300 watt maximum continuous rated power, 350 watt peak power |
| Charger |
TQ 4A charger |
Geometry Chart
| B B Drop |
8 |
| Chainstay Length |
43 |
| Eff Top Tube |
51.9 |
| Frame Reach |
36.8 |
| Frame Size Number |
50 cm |
| Frame Stack |
54.6 |
| Head Angle |
71.1 |
| Head Tube Length |
13 |
| Offset |
5.3 |
| Saddle Rail Height Max Short |
65 |
| Saddle Rail Height Max Tall |
68 |
| Saddle Rail Height Min Short |
58.5 |
| Saddle Rail Height Min Tall |
61.5 |
| Seat Tube |
45 |
| Seat Tube Angle |
74.6 |
| Standover |
72.8 |
| Trail |
6.3 |
| Wheelbase |
100.7 |
| Wheel Size |
700c |
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