TRP EVO Chainring New Chainring Day If you're looking to upgrade your current drivetrain to the newest 12-speed drivetrain, then you're in the right place. The TRP EVO Chainring is a part of the TRP EVO 12-speed drivetrain lineup. It is a direct mount chainring that is designed for the TRP EVO Cranks. It comes in several variations and has a 3mm offset for Boost hub spacing. Features3mm offset for Boost setups Designed for TRP EVO Cranks Available in 30T, 32T, and 34TSPECIFICATIONSDrive Train Speed12-Speed Tooth Count30, 32, 34TMaterial-Direct Mount Type TRPChainline Boost Offset3mm Intended Use Mountain Weight TBDChainline/Chainring Offset Guidelines Rear Spacing135mm / 142mm148mm Boost Super Boost 150mm / 157mm Fat Bike (170mm, 190mm, 200mm)Chainline48 - 50mm51 - 53mm54 - 56mm56mm+Chainring Offset~6mm~3mm~0mm~+2mm | Trp | Evo Chainring | Black/silver | 32T | Aluminum