Shimano RD-M980 XTR 10 Speed Jockey WheelsThese high-quality jockey wheels are specifically designed for use with 10 speed Shimano Shimano RD-M980 XTR rear derailleurs. Easy to install, these are a superb choice of upgrade for riders who want to breathe new life into their rear mech.Features:Use: MTBSpeed: 10 speedCompatibility: Shimano RD-M980 XTR rear derailleursPart Number: Y5XC98140A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.