Forme Calver Cyclocross SL FramesetFeatures Sizes: S: 50cm. M: 52cm, L: 54cm , XL: 56cm, XXL: 58cm Frame: 6069 Triple Butted Alloy, Integrated Cable Routing Fork: T700 Carbon, Tapered Carbon Steerer Discipline: Cyclo-Cross Bottom Bracket: BSA Bottom Bracket Head Tube: Tapered Fits Flat Mount Disc Brakes Front Axle: 12mm x 100mm Rear Axle: 12mm x 142mm Headset: 1 1/8" - 1.5" Tapered, Sealed Bearing Seat Clamp: Alloy 31.8mm Fits 700c Wheels Removable Derailleur Hanger Race Optimised Tube Profiles External Bottom Bracket Shell Weight: 1.4kg Perfect For: Tarmac, Gravel, & Grass GeometrySee ImagesSizingRider Height S = 5'1" - 5'3" (154-161cm) M = 5'3" - 5'7" (161-173cm) L = 5'7" - 5'9" (173-179cm) XL = 5'9" - 5'11" (179-183cm) XXL = 5'11" - 6'2" (183-188cm) The all-new and refined Calver SL frame stretches beyond a thorough-bred cyclo-cross racing frame. With on-point geometry, exceptional clearance and class leading weight, the Calver can be custom built and capable of it all.EXTERNAL BOTTOM BRACKET SHELLCompatible with the largest range of cranks and less prone to creaking by being isolated from the frameset. This is a benefiting factor to consider when the frame is constantly exposed to mud, sand and grit.RACE OPTIMISED TUBE PROFILESThe underside of the top tube is flattened for shouldering the bike easily and as comfortably as possible during running sections.FLAT MOUNT DISC FITTINGSDisc brakes are here to stay in Cyclo-Cross! Flat Mount Disc brake options support a clean and compact braking system.THRU AXLE LEVERSThe removable thru axle levers double up as a handy multi tool with 4mm and 5mm hex keys for quick adjustments to saddle height or handle bar position.