CarbonDryJapan 11t Pulley Set SRAM Compatible Hybrid Bearing

This is a replacement part compatible with SRAM's genuine 11T pulley. Adopts special resin (CH10 POM+CF10) containing 10% carbon fiber for excellent durability and quietness. The genuine upper and lower pulleys (SHIMANO R8000) are 22g, while the pulley set is lighter at 18g. *Setting is required. *The rear derailleur body is not included with this product. *This is a product exclusively for SRAM, and is different from those for Shimano and Campagnolo.