Rear Derailleur Pulley Assemblies Options:RD-M5120-SGS Rear Derailleur Pulley Set and compliance

and compliance

Two-way zippered ventilation openings in the sides

we’re all for racing

Pair dead-reliable hubs from Shimano with our 25-millimeter internal diameter

Rear Derailleur Pulley Assemblies Options:RD-M5120-SGS Rear Derailleur Pulley Set and complianceShimano Rear Derailleur Pulley Assemblies 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