Golden Motor Photon Chainring Set ensures smooth, efficient pedaling. Built for durability and performance, perfect for all types of riders. This is the complete set needed to change or replace the CYC Photon chainring. Includes: Starfish adaptor Chainring Aluminum chainring cover Chainring tool (optional) Please follow the instructions below to properly to install the kit. Remove Crank arm remove retaining bolts remove Chainring retain cap remove chainring adapter install chainring directly with main body secure with chainring retaining cap Chainring outer diameter including the teeth 34T (34 teeth): approx 144 mm 38T (38 teeth): approx 160 mm 42T (42 teeth): approx 185 mm 50T (50 teeth): approx 210 mm Note: The Photon Gen 1 Chainring can not fit on Photon Gen 2 Motors.
