The S200 Eagle Groupset is the go-to choice for riders who demand high-performance mechanical shifting, race-ready weight, and lasting durability. Built from the very best of mechanical Eagle, this kit is designed to elevate any bike it touches. What's Included S200 Eagle DUB Crankset - Aluminum crank arms, a steel X-SYNC 2 chainring, and SRAM's DUB spindle platform combine to deliver secure chain retention and reliable power transfer. Available in lengths from 155 mm to 175 mm for a perfect fit on any rider. S200 Eagle Rear Derailleur - The S200 Derailleur is the workhorse that continues Eagle's wide-range 1x legacy. Its proven Type 3 clutch delivers confident chain retention and quiet descending, while full compatibility across both 500% and 520% Eagle cassettes keeps your options open. S200 XG-1275 Cassette - A massive 520% gear range means you'll have the right gear for every climb and descent. Fully compatible across the Eagle ecosystem, it pairs seamlessly with both legacy and current Eagle components. S200 Eagle Shifter - Crisp, single-click operation delivers consistent shifts in any condition. Available with its own clamp or Matchmaker X compatible for a clean, streamlined cockpit alongside your SRAM brake lever. S200 Eagle Chain - SRAM's 12-speed Eagle chain ties the whole system together, smooth, quiet, and built to keep up with every ride. Crankset Derailleur Cassette Shifter Chain Works With S200 Eagle DUB Crankset 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 S200 Eagle Rear Derailleur Model ID: RD-S200-B1 Shift Tech: X-Actuation Chain Tech: Eagle Max Tooth: 52t Drive Config: 1x Cage Material: Steel S200 XG-1275 Cassette Model ID: CS-XG-1275-C1 Range: 10-50t, 10-52t Speed: 12-Speed Cog Sizes (10-50t): 10,12,14,16,18,21,24,28,32,36,42,50t Cog Sizes (10-52t): 10,12,14,16,18,21,24,28,32,36,42,52t Drivetrain Config: 1x Freehub Interface: SRAM XD S200 Eagle Shifter Model ID: SL-S200-B1 Shifter Type: Trigger Cable Pull Ratio: X-Actuation Clicks: Single Clamp: Discrete Cable Length: 2200mm Drivetrain Config: 1x Matchmaker Compatible: Yes, not included S200 Eagle Chain Model ID: CN-EAGL-S200-A1 Speeds: 12-Speed Length: 126 links Chain Connector: PowerLock (Included) Pin: Solid pin Inner Link Finish: Black Oxide Outer Link Finish: Nickel E-Bike: Yes 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) - The XG-1275 Cassette is only compatible with SRAM XD freehubs - 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