The OSPW X System for Shimano XT/XTR 1×12 reduces friction by 35-40% compared to stock pulley configurations. The lightweight, custom-molded carbon fiber cage ensures durability. This design allows the use of the same length chain as stock pulleys.

The 14-tooth upper and 18-tooth lower pulley profiles ensure stable chain retention while reducing drag.

The OSPW X System is developed, designed, and handbuilt in Denmarkand proven globally.

Only compatible with 1X specific derailleurs.

– Pulley Wheels: CeramicSpeed 14-tooth upper and 18-tooth lower
– Pulley Wheel Material: aluminum
– Cage Material: Carbon-reinforced PA
– Bearing Options: CeramicSpeed Standard or Coated
– CeramicSpeed Grease/oil: CeramicSpeed Pulley Oil
– Compatibility: Shimano XTR M9100-SGS, Shimano XTR M9100-GS, Shimano XT M8100-SGS and SLX M-7100 derailleurs
– Cassette Compatibility: Up to a 10-51 tooth range
– Spring Tension Settings: 2 spring tension settings
– Speed: 12-speed
– Discipline: Off-Road

In the box:
– Complete OSPW System for Shimano XT/XTR 1×12
– CeramicSpeed Pulley Oil, 15 ml
– Sticker Sheet