NS Bikes Rotary Rear Cassette 32H MTB HubKeeping the rear end of your mountain bike steady and stable on every ride, this high-end hub is designed to keep your back wheel rolling fast and free. Built from a strong, sturdy and lightweight AL6061-T6 aluminium, it’s ideal for speedy racing and is durable enough to withstand the landings of big and bold slopestyle jumps.Tough MTB Rear Hub with Sealed Bearings Coming in a variety of sizes including a Boost version for use with wider wheels and tyres, this efficient and effective rear hub also features an AL7075-T6 axle and runs on 4 fully-sealed bearings. Reliable and robust, NS Bikes has created a top-quality hub that any adventurous rider should not be without.Features: Material: AL6061-T6 body, AL7075-T6 axle & cassette, steel bolts Bearings: 4 x fully-sealed (2x main hub bearings, 2x inside cassette) Freewheel Body: Light AL7075-T6 cassette, 9/10/11 speed compatible (SRAM XD freehub available, sold separately) Pawls: 3 pawls with 30 engagement points, each 12° Disc Brake Mount: IS (International Standard / 6-bolts) End Caps Included: No, available separatelyBuy NS Bikes Wheels & Tyres from Chain Reaction Cycles, the World’s Largest Online Bike Store