SHIFT SMOOTH, RIDE SMOOTH WITH THE SHIMANO 105 RD-5700 10-SPEED REAR DERAILLEUR PULLEY SET. It's natural for your bike to show some wear and tear after riding it all summer long. One of the the first things you'll need is a new pulley set so you can shift as you please. The Shimano 105 RD-5700 10-Speed Rear Derailleur Pulley Set is easy to install and fits many Shimano Derailleur models. Be ready for next season in a flash! FEATURES Fits 105 RD-5701, RD-5700-A, RD-5700, RD-5600, RD-5501, RD-5500 Sealed bearing guide & tension pulley Sora RD-3500, RD-3400, RD-3300 SLX/Hone RD-M662, RD-M601 LX/Deore RD-M592, RD-M591, RD-M580, RD-M571, RD-M570, RD-M531, RD-M530, RD-M511, RD-M510 Alivio RD-M430, RD-MC20 Acera RD-M390, RD-M330, RD-MC18 Deore LX Trekking RD-T670, RD-T661