This OSPW System has handbuilt CeramicSpeed Bearings installed in each pulley and comes with a 4 year warranty as standard and a lifetime warranty when choosing coated or SLT bearings

and more durable

SL7 Allez Sprint

Crafted with a strong chromoly axle

For the first time

shimano chain cn m9100 hg 12 speed kopi Product Type_Socks This OSPW System has handbuiltProduct Description Designed for SHIMANO's XTR M901 11 speed MTB groupset and Dura Ace R9200 11 Speed Road Groupset. The M9100 chain provides enhanced chain retention thanks to an extended portion of the inner plate. The new chain features quick link assembly and SIL TEC treatment for extended offroad durability.