
Light but durable design, for those looking for lightness and resistance.The top sprocket has a conventional 12 tooth profile for smooth shifting while the bottom 14 tooth sprocket has a wide/narrow profile to ensure the chain fits perfectly. The 2 sheaves are made of aluminum and have sealed bearings.Specifications:- CNC machined from 2014T6 aluminum.- 12 upper roller teeth / 14 lower roller teeth.- Weight: 34g per pair.- Also compatible with Sram AXS 12-speed derailleurs.