Ceramicspeed ospw for shimano 9100 and 8000 black

Description

FEATURES TECHNICAL DATA The overall power savings of the OSPW System for Shimano 9100/9150 /8000 reach 30%-60%, or more in some cases, over a stock setup. The oversized pulley wheels have 3-5 times longer lifetime than the commonly used standard pulleys on the market. The Shimano 9100/9150 and 8000