Deda Elementi In-4 Int Alloy HeadsetThis superb headset is engineered for both road and MTB use and it delivers smooth rotation for your forks inside your bike’s headtube. It features a sleek aluminium top cap construction which allows you to benefit from its amazing strength without adding any excess weight to your road or mountain bike. Providing a smooth rotatable interface on every ride, this stunning headset is also equipped with steel bearings for extra durability as you take on every challenge. Features: Headset Material: Alloy Bearing Material: Steel Use: Road, MTB Steerer Size: 1 1/8-1 1/4" tapered Upper Bearing Dimensions: 41.8×30.5x8mm Lower Bearing Dimensions: 46.9x34.1x7mm Compatibility: Deda H.S.S. system (Headset Stack Spacers) Type: Integrated Part Number: DHS14A Weight: 73g (approx)Buy Deda Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.