Trek Domane+ SLR9 2026
The Domane+ SLR 9 is our best carbon endurance electric road bike. It all starts with an ultra-light 800 Series OCLV Carbon frame, equipped with top-tier components for peak performance on every ride. You get the quiet, smooth power of the TQ HPR60 motor, which makes long rides feel like a breeze. It’s fitted with a Shimano Dura-Ace Di2 2x12 drivetrain for fast, smooth shifting, Bontrager Aeolus RSL OCLV carbon wheels, carbon cranks, a carbon seatpost, and a Bontrager Aero Pro carbon handlebar that soaks up vibrations from rough roads.
Specifications
SpecificationsFrame
800 Series OCLV Carbon, TQ drive system, rear IsoSpeed, internal routing, flat-mount, fender mounts, 142x12 mm thru axle
Fork
Domane+ carbon, carbon tapered steerer, internal brake routing, fender mounts, flat-mount, 12x100 mm thru axle
Weight
11.84 kg (size 56, with TLR sealant, without inner tube)
Maximum weight
125 kg (bike + rider + cargo)
Motor
TQ-HPR60, 60 Nm, 250 W continuous, 350 W peak
Battery
TQ 360 Wh
Charger
TQ 4A charger
Computer
TQ LED display with Bluetooth and ANT+
Classification
Class 1 e-bike
Shift levers
Shimano Dura-Ace R9270 Di2, 12-speed
Front derailleur
Shimano Dura-Ace R9250 Di2, braze-on
Rear derailleur
Shimano Dura-Ace R9250 Di2, max 34T compatible
Crankset
Praxis carbon, 165 / 170 / 172.5 mm depending on size
Chainrings
Praxis 50/34 (double)
Cassette
Shimano Dura-Ace R9200, 11-34, 12-speed
Chain
Shimano Dura-Ace / XTR M9100, 12-speed
Max chainring
1x: 46T / 2x: 52/36T
Wheels
Bontrager Aeolus RSL 37, OCLV carbon, tubeless ready, 37 mm depth
Hubs
12x100 mm (front) / 12x142 mm (rear) thru axle, Centerlock
Wheel skewers
Bontrager Switch thru axle with removable lever
Tires
Bontrager Kwaremont RSL TLR 700x32 mm, 320 TPI
Rim strip
Bontrager TLR
Max tire width
40 mm without fenders / 35 mm with fenders
Saddle
Verse Short Pro, carbon rails, 145 mm width
Seatpost
KVF carbon, 20 mm offset, 280 to 320 mm length depending on size
Handlebar
Bontrager Pro IsoCore VR-SF, 40 to 44 cm width depending on size
Bar tape
Trek EcoTack
Stem
Trek RCS Pro, -7° angle, 80 to 110 mm length depending on size
Brakes
Shimano Dura-Ace hydraulic, flat-mount
Rotors
Shimano CL900, Centerlock, 160 mm
Max rotor size
180 mm front / 160 mm rear
Reviews
Reviews
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