The Hope 104BCD Retainer Chainring has a narrow/wide tooth configuration designed for 1x10, 1x11, 1x12 drivetrains, including SRAM T-Type and Shimano HG+ set-ups, without the need for a chain guide.Weight: 57 gDesigned to be compatible with 9, 10, 11 and 12-Speed drivetrains, including SRAM T-Type and Shimano HG+Improved mud shedding capability and chain retentionBetter performance with extreme chain angles on modern 1x drivetrainsLeg design provides improved strength and stiffnessCNC machined 7075-T6 aluminum provides the perfect blend of lightweight and strengthQuieter drivetrain and reduced dragItem SpecificationsChainring BCD104ColorBlackDefined ColorBlackDrivetrain Speeds10Drivetrain Speeds11Drivetrain Speeds12Drivetrain Speeds9MaterialAluminumRing Position/TypeChain Retaining Single RingRound or OvalRoundTooth Count36 Hope 104 BCD Retainer Chainring Chainring EAN: 5056454963755