The RS sprocket use an intricate designed based the high end wheels used on super cars. CNC machined from 6061-T6 alloy & is available in 25t, 26t & 28t. The RS is supplied with adaptors so it can be run on 24, 22 & 19mm spindles. The offset teeth on the sprocket help to maintain a perfect chain alignment on all set ups. section Product Specs TYPE: Bolt On
Material: Alloy WEIGHT: 90g / 3.2oz