Rear Derailleur Pulley Assemblies Options:RD-M5120-SGS Rear Derailleur Pulley Set you'll find that its added

you'll find that its added moisture management properties make it feel more like a base layer than a portage device

Two-way zippered ventilation openings in the sides

Designed for frictionless compatibility with the Globe Haul ST and up to 2 pairs on Haul LT*

we’re all for racing

Highly resistant to UV rays

Rear Derailleur Pulley Assemblies Options:RD-M5120-SGS Rear Derailleur Pulley Set you'll find that its addedShimano 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