The OSPW X system reduces friction by 35-40% compared to a pulley wheel configuration. A lightweight, custom-molded carbon fiber cage ensures durability. This construction allows the use of a chain of the same length as the pulley wheels. The 14-tooth upper and 18-tooth lower pulley profiles ensure stable chain retention without added resistance. The OSPW X system is developed, designed, and hand-built in Denmark – and globally proven. Compatible only with specific 1X derailleurs. In the box: Complete OSPW X for Shimano XT/XTR 1x12 CeramicSpeed Oil for pulley wheel bearings, 15 ml. Dropper bottle sticker
| Groupset | Shimano XT |
| product ID | 332782 |
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