Building Your Bike From the Box Quick Links {"@context":"http:\/\/schema.org\/","@id":"\/products\/bombtrack-hook-ext-complete-bike-27-5#product","@type":"ProductGroup","brand":{"@type":"Brand","name":"Bombtrack"},"category":"Bicycles","description":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nAre you heading down the path least travelled? For a drop handlebar bike, the Hook EXT seldom faces terrain it cannot handle. A Columbus steel frame, a dedicated carbon fork and a sturdy 27.5’’ wheelset equip the EXT with an armoury to ride where other bikes would surely suffer. A Sram 1x11 Rival groupset suitably gives this machine the gears and brakes to match. \n \n\n\n\n\n\n\n\nFrame\nColumbus Cromor double butted,  TA, rack \/ fender mounts, internal light cable routing, rear light mount, 85.5 mm T47 BB shell\n\n\nFork\nSeido MGV full carbon, TA, 1.1\/2'' - 1.1\/8'', fender \/ triple cage mounts, 180 mm max rotor size, lowrider rack compatible, internal hub dynamo cable routing\n\n\nHandlebar\nBombtrack CX-10 drop bar, 31.8 mm, 10° flare\n\n\nGrips\nBombtrack Escape bar tape\n\n\nStem\nBombtrack Roam forged aluminium stem, -7°\n\n\nHeadset\nSealed external aheadset, 1.1\/2'' - 1.1\/8''\n\n\nLevers\nSram Rival 1 double tap hydraulic\n\n\nShifter\nSram Rival 1 double tap 1 x 11\n\n\nBrakes\nSram Rival flat mount hydraulic disc brakes\n\n\nRotor\nSram Centerline 180 mm front and 160 mm rear rotor\n\n\nCrankset\nBombtrack Lyer forged aluminium crank, direct mount interface(Sram compatible), 30 mm spindle\n\n\nBB\nBombtrack T47 internal sealed BB for 30 mm spindle, 85.5 mm\n\n\nPedals\n-\n\n\nChain\nKMC X11 EPT Anti Rust chain, 1\/2'' x 11\/128'', 112L\n\n\nChainring\nCNC machined aluminium, narrow-wide, 40 T\n\n\nCassette\nSram PG-1130 11-speed, 11 - 42 T\n\n\nFront derailleur\n-\n\n\nRear derailleur\nSram Rival 1, clutch, long cage\n\n\nFront hub\nBombtrack Tau sealed hub, 6-bolt disc\n\n\nRear hub\nBombtrack Tau sealed hub, 11-speed, 6-bolt disc\n\n\nThrough axle\n12 x 100 mm \/ 12 x 142 mm\n\n\nFront rim\nWTB ST Light i25 double wall, TCS 2.0, 32h\n\n\nRear rim\nWTB ST Light i23 double wall, TCS 2.0, 32h\n\n\nSaddle\nBombtrack Dart saddle\n\n\nSeat post\nBombtrack Yew aluminium seatpost, 27.2 mm x 300 mm\n\n\nSeat clamp\nBombtrack Origin 29.8 mm\n\n\nFront tire\nWTB Ranger TCS Light \/ Fast Rolling 27.5'' x 2.0'', tubeless ready\n\n\nRear tire\nWTB Ranger TCS Light \/ Fast Rolling 27.5'' x 2.0'', tubeless ready\n\n\nFender\n-\n\n\nRack\n-\n\n\nKickstand\n-\n\n\nLight\n-\n\n\nWeight\n11.2 kg (size M)\n\n\nWeight frameset\n2710 g frame (size L, incl. TA, hanger) \/ 550 g fork (300 mm steerer, incl. TA)\n\n\nMaximum rider weight\n130 kg incl. Luggage\n\n\nASTM riding condition\n2\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n","hasVariant":[{"@id":"\/products\/bombtrack-hook-ext-complete-bike-27-5?variant=45661646323938#variant","@type":"Product","image":"https:\/\/projektride.co.uk\/cdn\/shop\/files\/BT_MY24_Hook_EXT_matt_black_web_01_800x800_crop_center_2x_88f58ced-514c-40ae-a9b6-cdf37b275722.webp?v=1720086731\u0026width=1920","name":"Bombtrack HOOK EXT Complete Bike (27.5\") - Black \/ Small - 50","offers":{"@id":"\/products\/bombtrack-hook-ext-complete-bike-27-5?variant=45661646323938#offer","@type":"Offer","availability":"http:\/\/schema.org\/OutOfStock","price":"2875.00","priceCurrency":"GBP","url":"https:\/\/projektride.co.uk\/products\/bombtrack-hook-ext-complete-bike-27-5?variant=45661646323938"}},{"@id":"\/products\/bombtrack-hook-ext-complete-bike-27-5?variant=45661646356706#variant","@type":"Product","image":"https:\/\/projektride.co.uk\/cdn\/shop\/files\/BT_MY24_Hook_EXT_matt_black_web_01_800x800_crop_center_2x_88f58ced-514c-40ae-a9b6-cdf37b275722.webp?v=1720086731\u0026width=1920","name":"Bombtrack HOOK EXT Complete Bike (27.5\") - 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Blue \/ Extra Large - 60","offers":{"@id":"\/products\/bombtrack-hook-ext-complete-bike-27-5?variant=45661646553314#offer","@type":"Offer","availability":"http:\/\/schema.org\/OutOfStock","price":"2875.00","priceCurrency":"GBP","url":"https:\/\/projektride.co.uk\/products\/bombtrack-hook-ext-complete-bike-27-5?variant=45661646553314"}}],"name":"Bombtrack HOOK EXT Complete Bike (27.5\")","productGroupID":"8627715571938","url":"https:\/\/projektride.co.uk\/products\/bombtrack-hook-ext-complete-bike-27-5"} Building Your Bike From the Box Frequently Asked Questions Please get in touch with a member of the team either by phone (