Our 104BCD Titanium Chainring is the ideal add-on to your power meter, oChain or ebike spider mount.Reduced wear. Resistant to impact damage. Designed for those who put down the watts and push for yearly altitude goals.Included with every 104BCD Ring is a Park Tool Bolt Removal Tool.Sizes: 32T, 34T, 36TCompatibility: T Type, SRAM and Shimano Chains