Spare pulley wheels for your CeramicSpeed OSPW for ALPHA Disc 13/19 tooth.

Fits the following OSPW systems
OSPW Aero ALPHA for Shimano 9250/8150
OSPW RS ALPHA for Shimano 9250/8150
OSPW RS ALPHA for Shimano 9250/8150 Team
OSPW RS ALPHA for Shimano 7150
OSPW RS ALPHA for Shimano 7150 Team