For riders who demand precise mechanical shifting, featherlight components, and long-lasting durability, the S200 is the clear choice. Combining the finest elements of mechanical Eagle technology, this curated collection transforms any bike into a high-performance machine. Also included is the S100 Eagle cassette, making it the perfect option for riders who aren't ready to upgrade to a SRAM XD compatible freehub. What's Included 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. S100 PG-1210 Cassette - The PG-1210 Eagle 11-50t cassette is built for durability and easy rebuilding, tackling any terrain with confidence. Compatible with a wide range of wheel manufacturers via a splined driver body, it also features swappable E-MTB speed limit gears. 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. Derailleur Cassette Shifter Chain Works With S200 Eagle Rear Derailleur Model ID: RD-S200-B1 Shift Technology: X-Actuation Chain Technology: Eagle Max Tooth: 52t Drive Config: 1x Cage Material: Steel S100 PG-1210 Cassette Model ID: CS-PG-1210-B1 Range: 11-50t Speed: 12-Speed Cog Sizes: 11,13,15,17,19,22,25,28,32,36,42,50t Drivetrain Config: 1x Freehub Interface: Splined (Shimano HG) 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 PG-1210 Cassette is only compatible with Shimano HG / SRAM splined freehubs