The CT-15 is a professional-grade tool designed to drive rivets in and out of any bicycle chain, from beefy single-speed half-link chains to the latest 13-speed systems. The unique triple-wide floating shelf ensures that every chain is securely fixtured and centered during use. The ergonomic handle stores spare driving pins as well as a peening anvil used for peening CampagnoloA(R) 11, 12, and 13-speed chains. Built for daily use and fully rebuildable. CT-15 Features Compatible with single-speed bicycle chains including 1/8", 3/16" and half-link Compatible with all 5 to 13-speed derailleur chains, including SRAMA(R) 12-speed Flattop(TM), SRAMA(R) 12-speed T-Type, ShimanoA(R) 12-speed XTRA(R), and CampagnoloA(R) 13-speed Ekar(TM) Includes removable anvil for peening CampagnoloA(R) 11 to 13-speed chains