CeramicSpeed Screed OSPW x Shimano 12v xt/xtr coated

OSPW X clevis for Shimano 12s XT/XTR coated black Ceramic Speed's OSPW system, composed of an 18 tooth bottom bracket and 14 tooth top bracket, is designed to reduce friction and increase the longevity of the assembly. Friction reduction of 35 to 40% compared to a standard assembly. Compatible only with single chainrings. Coated treatment increases durability and further improves transmission by reducing friction. Box contents: OSPW complete system for Shimano XT/XTR 1x12, Ceramic Speed Pulley Oil, sticker pack Handmade in Denmark