2025 Trek Domane SLR 9 AXS Gen 4 Road Bike

The 2025 Trek Domane SLR 9 AXS is Trek's top-of-the-line carbon endurance road bike. It features an ultralight 800 Series OCLV Carbon frame with IsoSpeed rear technology, a fully integrated storage compartment, and the high-performance SRAM RED AXS E1 electronic 2x12 drivetrain. Designed for fast, smooth, and reliable rides, this bike is ideal for endurance racing, long road tours, and rougher gravel segments.

The bike is equipped with Bontrager Aeolus RSL 37 carbon wheels, tubeless-ready tires, flat-mount disc brakes, and a Bontrager Pro IsoCore VR-SF handlebar to reduce road vibrations. The combination of lightweight construction, precision electronic shifting, and endurance geometry makes the Domane SLR 9 AXS a high-performance road bike for demanding cyclists.

Key Features

800 Series OCLV Carbon frame with IsoSpeed rear technology and internal storage
SRAM RED AXS E1 2x12 electronic drivetrain with integrated power meter
Bontrager Aeolus RSL 37 carbon tubeless-ready wheels
Bontrager Pro IsoCore VR-SF handlebar for reduced vibrations
Flat-mount disc brakes with SRAM Paceline X, 160mm rotors
Versatile tire clearance for 38c tires on rough roads and light gravel

Frameset
Frame	800 Series OCLV Carbon \| IsoSpeed \| Internal Storage \| Tapered Head Tube \| Flat Mount Disc \| 142x12mm Thru Axle
Fork	Domane SLR Carbon \| Tapered Carbon Steerer \| Internal Brake Routing \| Flat Mount Disc \| 12x100mm Thru Axle

Wheels & Tires
Front Wheel	Bontrager Aeolus RSL 37, OCLV Carbon, Tubeless Ready, 37mm Rim Depth, 100x12mm Thru Axle
Rear Wheel	Bontrager Aeolus RSL 37, OCLV Carbon, Tubeless Ready, 37mm Rim Depth, 142x12mm Thru Axle
Tires	Bontrager R3 Hard-Case Lite, Tubeless Ready, 700x32mm; Pirelli P Zero Race, 700x30mm, Tubeless Compatible

Drivetrain
Shifters	SRAM RED AXS E1, 12-speed
Front Derailleur	SRAM RED AXS E1, Braze-On
Rear Derailleur	SRAM RED AXS E1 \| Max 36T Cog
Crankset	SRAM RED AXS E1 Power Meter, 46/33, DUB, Size-dependent Length (165–175mm)
Bottom Bracket	SRAM DUB, T47 Threaded, Internal Bearing
Chain	SRAM RED E1, 12-speed

Components
Brakeset	SRAM Paceline X, Centerlock, 160mm Rotors
Handlebar	Bontrager Pro IsoCore VR-SF, Size-specific widths 38–44cm
Saddle	Verse Short Pro, Carbon Rails, Size-specific Widths 145–155mm
Seatpost	KVF Aero Carbon, 20mm Offset, Length 280–320mm (Size-dependent)
Stem	Trek RCS Pro, -7°, Length 70–110mm (Size-dependent)

Frame Geometry
Frame Size	47, 50, 52, 54, 56, 58, 60, 62 cm
Bottom Bracket Drop	75–80 mm
Bottom Bracket Height	256–261 mm
Chainstay Length	420–425 mm
Front Center	579–628 mm
Head Tube Angle	71–72.1°
Seat Tube Angle	72.5–74.6°
Reach	364–386 mm
Stack	527–656 mm
Top Tube Length	509–593 mm
Wheelbase	986–1042 mm
Standover Height	686–835 mm
Trail	59–61 mm