The CR-M9050 EVO12 Boost chainring is crafted with high quality CNC machined 7075-T6 aluminum and features Wave Technology for proven chain retention in extreme conditions.CNC machined using 7075-T6 aluminum provides strength and incredible durabilityTorsionally rigid for exceptional power transferWave Technology offers proven chain retention in the most extremely conditions3mm offset for boosted setupsItem SpecificationsColorSandblasted Black/Space GrayDefined ColorBlackDefined ColorGrayDirect Mount TypeDirect Mount CINCHDrivetrain Speeds12MaterialAluminumOffset3Round or OvalRoundTooth Count32 TRP CR-M9050 Boost Direct Mount Chainring Direct Mount Chainrings EAN: 4717592038699