CeramicSpeed pulley wheels reduce friction, last 3-5 time longer than stock high-end pulleys, and are designed to work with less drag.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 Red AXS, Force AXS, Rival AXS, please note these pulleys are not compatible with any XPLR derailleurs. Premium Grade 3 Silicon Nitride Ceramic balls. Hand built in Denmark. Item Specifications: Drivetrain Speeds, 12, Fits Brand, ,.
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