Keep your chain where it belongs! An alternating tooth profile improves chain retention by limiting lateral movement of the chain through rough sections and bumps. Machined from top class 7075 - T6 Aluminium and Hard Anodised to decrease the wear rate. cSixx’s latest generation TT rings are 100% made and Hand finished in South Africa. Under real world test conditions, the rings have been tested up to 5000km and are still going strong.