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HOOK EXT TI The versatile Hook EXT TI distills the rough-and-ready yet comfortable nature of the Hook collection. Light and responsive, the titanium frame partners alongside a V2 carbon fork with triple cage mounts, as well as a multitude of luggage configurations for added cargo options. Fitted with Shimano’s latest electronic GRX Di2 groupset, a double crankset provides close ratios but a wide range. Making tubeless set-up easy, its lightweight WTB EZR rims and fast-rolling WTB Ranger TCS Light tires provide excellent speed and traction across mixed conditions.

FRAME Titanium 3AI-20.5V frame with T47 BB shell fender mounts and through axles.

FORK Full carbon tapered fork with internal light cable routing, through axles and triple cage mounts.

CRANK Shimano GRX 815 48/31 T crank.

TUBING Ovalized top tube for supreme steering precision and comfort.

DERAILLEUR HANGER Sram UDH derailleur hanger.

DRIVETRAIN Shimano GRX 815 Di2 2x11 groupset with hydraulic brakes.

Frame: Titanium 3Al-2.5V, TA, rack / fender mounts, UDH derailleur hanger
Fork: Full carbon, TA, 1.1/2'' - 1.1/8'', triple cage mounts (can double as fender mounts),internal hub dynamo cable routing
Handlebar: SEIDO TACKLE drop bar, 31.8 mm, 16° flare
Levers/ shifters: SHIMANO GRX DI2 ST-RX815 hydraulic, 2x11
Brakes: SHIMANO GRX BR-RX810 flat mount hydraulic disc brakes with 160 mm rotors
Crankset: SHIMANO GRX 810-2, holow forged aluminium crank, 24 mm spindle
Bottom Bracket: BOMBTRACK T47 internal sealed BB for 24 mm spindle
Chainring: SHIMANO GRX, 48 T / 31 T
Cassette: SHIMANO ULTEGRA CS HG 800, 11-speed, 11 - 34 T
Deraileur: SHIMANO GRX DI2 RD-RX815
Hubs: BOMBTRACK TAU sealed hubs, 6-bolt disc, 11-speed
Rims: WTB EZR i25, TCS 2.0, 32h
Tires: WTB RANGER TCS LIGHT / FAST ROLLING 27.5'' x 2.0'', tubeless ready