Trek Speed Concept SLR 7 Triathlon Bike Shimano Ultegra Di2 12-speed Bontrager Aeolus Pro 51 Carbon Red Smoke 2025

If you’re preparing for a triathlon and want to give yourself every chance of shaving off those precious seconds to beat your personal best on the cycling leg, choose the Trek Speed Concept SLR 7 Carbon Red Smoke. This top-of-the-range bike features an 800 Series OCLV carbon frame, designed to be lightweight, aerodynamic and stiff.

Ideal for time trials, this bike is equipped with the Shimano Ultegra Di2 12-speed electronic groupset, which guarantees fast and precise gear changes, as well as high-performance disc brakes in all conditions. Finally, the Bontrager Aeolus Pro 51 wheels ensure excellent performance for riding as fast as possible on all terrains, whether on flat or undulating terrain.

Technical specifications:

Frame:
- Frame: OCLV 800 Series carbon, KVF (Kammtail Virtual Foil) tube shape, 47 mm bottom bracket, integrated Bento box, integrated seat tube storage
- Fork: SC full-foil carbon, integrated brakes and stem
- Frame geometry: triathlon

Drivetrain:
- Shift lever: Shimano R9180 Di2
- Front derailleur: Shimano Ultegra R8150 Di2, towed, down swing
- Rear derailleur: Shimano Ultegra R8150 Di2, max 34-tooth sprocket
- Crankset: Shimano Ultegra R8100, 52/36, length 165 mm (S), 170 mm (M, L), 172.5 mm (XL)
- Bottom bracket: Praxis, T47 threaded, internal bearing
- Cassette: Shimano Ultegra R8100 12-speed 11-30
- Chain: Shimano Ultegra/XT 12-speed
- Max. chainring size: 1x 58T / 2x 55/44T

Components:
- Saddle: Bontrager Hilo Comp
- Seatpost: Speed Concept SLR, 11.5 mm or 20 mm offset, short length (S), Speed Concept SLR, 11.5 mm or 20 mm offset, tall length (M, L, XL)
- Integrated handlebar/stem: Speed Concept
- Handlebar tape: Bontrager Supertack Perf
- Bottle cage: Speed Concept down tube bottle cage
- Water bottle: Speed Concept down tube water bottle

Braking:
- Brakes: Shimano Dura-Ace hydraulic disc
- Discs: Shimano CL800, Centerlock, 160 mm
- Max. disc size: 160 mm

Wheels:
- Wheels: Bontrager Aeolus Pro 51 Tubeless Ready
- Tyres: Bontrager R3 Hard-Case Lite 700x25 mm
- Max. tyre size: 28 mm rear, 25 mm front

General information:
- Sizes: S, M, L, XL
- Colour: Carbon Red Smoke
- Weight: 8.97 kg (M)
- Max. weight (bike + rider): 125 kg