Trek Speed Concept SLR 7 Ultegra Di2 TT Bike 2026

Our Fastest and Lightest Aero TT Bike specifically created for you who wants the best from TREK. The Speed Concept SLR 7 is an aerodynamic carbon triathlon bike built for incredible speed and seamless integration. Every part of this bike, from the lightweight aerodynamic frame to the route-smoothing IsoSpeed splitter and modern storage systems for snacks and drinks, is the result of meticulous design work aimed at improving your records, time and time again.

FEATURES

OCLV Series 800 Carbon Frame
Ultra-light carbon construction with KVF tube shaping for class-leading aerodynamic efficiency.

Integrated Nutrition & Hydration Storage
Built-in bento box and downtube storage keep fuel accessible without compromising aero position.

IsoSpeed Comfort Technology
Top-tube IsoSpeed reduces road vibration and rider fatigue over long triathlon distances.

Shimano Ultegra Di2 12-Speed Drivetrain
Electronic shifting delivers fast, precise gear changes under full race load.

Fully Adjustable Triathlon Fit
Highly configurable cockpit and seatpost system designed to suit a wide range of triathletes.

SIZE GUIDE

50cm S Frame 154 - 167cm Height

52.5cm M Frame 167 - 175cm Height

55cm L Frame 175 - 186cm Height

57.5cm XL Frame 186 - 198cm Height

SPECIFICATIONS

Frame: OCLV Series 800 carbon, KVF (Kammtail Virtual Foil) tube shapes, T47 bottom bracket, integrated bento storage, integrated downtube storage

Fork: Speed Concept full carbon fork with integrated brakes and integrated stem

Fit: Triathlon-specific geometry

Weight: Approx. 8.97 kg (size M)

Weight Limit: Maximum system weight 125 kg

Battery: Shimano BT-DN300

Shifters: Shimano Di2 hydraulic disc system, Dura-Ace R9180 Di2 levers, R9270 calipers, 160 mm rotor

Front Derailleur: Shimano Ultegra Di2 R8150, integrated, down-pull

Rear Derailleur: Shimano Ultegra Di2 R8150, max sprocket 34T

Crankset: Shimano Ultegra R8100, 52/36T, 170 mm (S, M, L)

Bottom Bracket: Praxis T47 threaded, internal bearings

Cassette: Shimano Ultegra R8101, 11–30T, 12-speed

Chain: Shimano Ultegra / XT M8100

Max Chainring Size: 1x 58T / 2x 55–44T

Front Wheel: Bontrager Aeolus Pro 51, OCLV carbon, tubeless ready, 12×100 mm thru axle

Rear Wheel: Bontrager Aeolus Pro 51, OCLV carbon, tubeless ready, Shimano 11/12-speed freehub, 12×142 mm thru axle

Front Axle: Bontrager Switch thru axle

Rear Axle: Bontrager Switch thru axle with removable lever

Tyres: Bontrager R4 320 700×25 mm / Bontrager R3 Hard-Case Lite, aramid bead, 120 TPI, 700×25 mm

Max Tyre Size: 28 mm rear, 25 mm front

Saddle: Bontrager Hilo Comp, chromoly rails

Seatpost: Speed Concept SLR seatpost
– S: 11.5 mm or −20 mm offset, short
– M, L, XL: 11.5 mm or −20 mm offset, tall

Handlebar Base: Speed Concept base bar, 45 mm

Cockpit: Speed Concept integrated mid-rise bar/stem

Handlebar Tape: Trek EcoTack

Brakes: Shimano Dura-Ace hydraulic disc, flat-mount

Rotors: Shimano CL800, centerlock, 160 mm

Rotor Size Limit: Max 160 mm front and rear

Bottle Cage: Speed Concept downtube bottle cage

Bottle: Speed Concept downtube bottle