Shimano RD-6700 Ultegra 10 Speed Jockey WheelsThese top-quality jockey wheels are specifically developed for use with Shimano RD-6700 Ultegra rear mechs. Engineered as a direct replacement for your existing wheels, these superb components deliver an easy and responsive feel. Perfect for riders who want to bring their rear mech back to the crisp direct engagement which you first experienced, these offer crucial tension and torque with their every rotation.Features:Use: Road Compatibility: Shimano RD-6700 Ultegra rear derailleurs Speed: 10 speed Weight: 19g (approx)A 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.