5Dev 104 BCD Titanium Chainrings. Features: The ideal add-on to your power meter, oChain or e-bike spider mount The benefits of a titanium chainring include reduced wear and better impact resistance. Designed for those who put down the watts and push for yearly altitude goals With proper drivetrain maintenance, will last 3 times longer than an aluminum ring Included with every 104BCD Ring is a Park Tool Bolt Removal Tool Compatible with SRAM and Shimano chains Specs: Ring Type:single (anti-chain drop) Mount:104 BCD Teeth:34t Oval Round:round Color:raw/titanium