CeramicSpeed OSPW X Pulley Wheel System for Shimano XT/XTR 1x12 Sister.ly Drinkware Hollow bottom for effective heat

Hollow bottom for effective heat dissipation

Experience the perfect blend of performance and durability with the Wolf Tooth Elliptical 107 BCD Chainring

Double-wall vacuum insulation keeps drinks cold for 24 hours and hot for 12 hours

Compact design ensures unobstructed visibility

CeramicSpeed OSPW X Pulley Wheel System for Shimano XT/XTR 1x12 Sister.ly Drinkware Hollow bottom for effective heatEnhance your cycling experience with the CeramicSpeed Oversized Pulley Wheel System, designed specifically for Shimano XT XTR 1x12 derailleurs. This premium system combines advanced engineering with high quality materials to deliver exceptional performance on every ride. Features 14 tooth upper and 18 tooth lower aluminum pulley wheels with Grade 3 Silicon Nitride balls for optimized efficiency. Durable cage made from polyamide and carbon fiber,