The Eagle S200 DUB crankset is engineered to deliver consistent performance ride after ride. Featuring a sturdy steel X-SYNC 2 chainring for complete chain control, and DUB technology for a uniform approach to fitment, better sealing and forward and backward bottom bracket compatibility. Available in progressive lengths from 175mm down to 155mm, the Eagle S200 crankset is the no-frills choice for riders who value simplicity. Features Aluminum crankset with 3-bolt steel X-SYNC 2 chainring for Eagle Drivetrain Ecosystem compatibility Available in 155mm, 160mm, 165mm, 170mm, and 175 mm lengths 6061 DUB Spindle DUB Wide spindle for 55CL Specs Model ID: FC-S200-B1 Rear Speeds: 12-Speed Chainline: 52.0mm, 55.0mm, or 76.5mm Spindle Interface: DUB Wide Chainring Material: Steel Crank Arm Material: Aluminum BCD: Direct Mount (DM) Chain Technology: Eagle Drivetrain Config: 1x Compatibility SRAM Eagle S-Series, including the S100, S200, and S500, are built to work seamlessly with previous generation SRAM Eagle 12-speed components (SX, NX, GX, X01, XX1), offering backward compatibility with your existing drivetrain S-Series components are not compatible with SRAM Transmission (T-Type) S-Series crank arms use the DUB Wide Spindle, which requires a DUB Wide Bottom Bracket . For those with a standard bottom bracket already, the same spacing can be achieved with the MTB Wide Spacer Kit