Please Note: headset bearings are not includedThe perfect aluminium all-season bike, capable of handling year round British weather, long commutes or fun weekend rides.A Lightweight 6061 T6 aluminium frame ensures excellent ride characteristics and durability alongside comfort-oriented geometry.The unidirectional carbon fork with 1-1/8\" to 1-1/2\" tapered alloy steerer gives precise steering with the added comfort of carbon blades.The X44 headtube works with most modern forks, future-proofing your bike for years to come and aiding in it\'s excellent handling capability.With mudguards the CK7 can take tyres up to 28mm, without mudguards fitted tyre clearance is up to 30mm.The frames rear stays also have additional mounts for pannier racks if required.Technical Specifications:Sizes: XS (52.5), S (53.6), M (54.9), L (56.2), XL (57.6),Frame: Aluminium 6061 T6 with Mudguard and Rack eyelets,Forks: Carbon UD 1-1/8\" to 1-1/2\" and Alloy Steerer,Headset 1 1/2\" - 1 1/8\" 45deg (not included),Brakes: Long Drop,Bottom Bracket: Threaded BSA,Seatpost Dia: 27.2mm,Max Tyre Clearance: 700x30c or 700x28c with Mudguards.