Shimano Sora RS300 Rear HubThe Shimano Sora RS300 Rear Hub is incredible value for money and is compatible with 8 and 9-speed gear sets. Seals help to prevent water and dirt ingress for incredible performance in all weather conditions.Features: Like those at the top-of-the-range, Sora Road hubs feature labyrinth and contact seals to prevent the ingress of corrosion-causing dirt and water Internal grease sleeve increases durability and reduces service intervals 8 and 9-speed compatible The hub uses angular contact bearings designed to cradle the balls giving both radial and lateral support for superior strength and durability in real world riding conditions; they also offer precision bearing adjustment and easy maintenance Comes complete with QR skewer Can be used with 34t cassetteA 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.