CeramicSpeed OSPW Shimano 9250/8150 Series
CeramicSpeed OSPW Shimano 9250/8150 Series, The CeramicSpeed OSPW Shimano 9250/8150 Series is a durable aluminum 13-tooth/19-tooth OSPW system made for Shimano Dura Ace 9200 and Ultegra 8100. This pulley system is one of the fastest in the world and features quick and easy installation with the integrated stop tower.