The Eagle S200 DUB crank arms are built for dependable, ride-after-ride consistency. A 3-bolt interface ensures full compatibility with Eagle X-Sync 2 chainrings, while DUB technology brings a streamlined approach to fitment, improved sealing, and both forward and backward bottom bracket compatibility. Available in a progressive range of lengths from 155mm to 175mm, the S200 crank assembly is the straightforward, no-nonsense choice for riders who appreciate simplicity done right. Features Available in 155mm, 160mm, 165mm, 170mm, and 175 mm lengths 6061 DUB Wide Spindle Specs Model ID: FC-S200-ASSY-B1 Rear Speeds: 12-Speed Chainline: 55mm Crank Arm Material: Aluminum Spindle Interface: DUB Wide 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