CeramicSpeed OSPW pulley wheels

OSPW ALPHA is an oversized pulley wheel system for Shimano GRX, XTR, and XT 12-speed Di2 rear derailleurs. It is used as a replacement part or upgrade for compatible rear derailleurs.

• Compatibility: Fits Shimano GRX/XTR/XT 12S Di2.
• Type: Oversized pulley wheel system for rear derailleur.
• Bearings: Ceramic bearings.
• Color: Black.
• Brand: CeramicSpeed.

Installs on a compatible rear derailleur in place of the original pulley cage.