CeramicSpeed Pulley Wheels for SRAM AXS Road 12-Speed - 12 Tooth, Alloy, Black Default:Default Shimano's 11-speed 105 chain is

Shimano's 11-speed 105 chain is built for smooth performance and long-ride durability

Waterproof: IPX7 rated

This design helps maintain proper cable alignment for smoother braking and shifting performance

Front shifting applications using compatible Shimano Road Di2 front derailleurs

CeramicSpeed Pulley Wheels for SRAM AXS Road 12-Speed - 12 Tooth, Alloy, Black Default:Default Shimano's 11-speed 105 chain isCeramicSpeed pulley wheels reduce friction, last 3 5 time longer than stock high end pulleys, and are designed to work with less drag. Key Features Premium Grade 3 Silicon Nitride Ceramic balls Hand built in Denmark Precision machined aluminum narrow wide pulleys Hardeneed Races Includes: (2) 12 tooth pulley wheels, Alloy Spacer Kit and CeramicSpeed Bearing Oil 15ml bottle Compatible with SRAM Red AXS, SRAM Force AXS, SRAM Rival AXS, please note these