FSA Orbit 1.5 ZS Headset (No.57-1)Suitable for road and mountain bike (MTB) use and ready to bring you smooth performance in all four seasons, this model of the Orbit 1.5 ZS Headset enables you to run 1.1/8" straight forks in your bike frame’s headtube. FSA has also assembled this hard-wearing tapered bike headset with fully sealed angular contact bearings (ACB’s) for friction-free operation that will last for years to come. This complete kit comes with all the parts you need for installing new forks, including a crown race, a star nut and the top cap and bolt.Features: Material: Forged Aluminium Fork Steerer Tube Compatibility: 1.1/8" to 1.5" tapered Type: Semi-Integrated Tapered Upper Headset Cup Dimensions: 44mm Lower Headset Cup Dimensions: 56mm Bearing Angles Inner/Outer: 36°/ 45° Stack Height: 16.9 + 2.9 = 19.8mm Crown Race Included: Yes Star Nut and Bolt Included: Yes Top Cap Included: Yes, Alloy top cover Use: Road, MTB, Hybrid/City Forged alloy shallow cups Blue seal angular contact bearings (ACBs) Manufacturer’s Part Number: 121-0491 Weight: 129.6gBuy FSA Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.
