Box Two Prime 9 E-Bike Cassette 12-50T Fits Standard HG Hubs 9/10/11 Speed Cassette for Mountain Bike, Lightweight Bicycle MTB Cassettes Compatible Bike Cassettes

♂️ RELIABILITY: Gear up for an unparalleled cycling experience with our Most Durable Box Two Prime 9 Speed Cassette. Crafted with precision, it boasts Steel Stamped Cogs and Lightweight Alloy spider for unmatched durability. Seamlessly navigate any terrain with the Ultra-Wide Ratio, Consistent Progression. BUILT TO LAST: The Box Two Mountain Bike Cassette, where Prime 9's legacy began, stands as a testament to durability. Originally designed for MTBs, its robust construction ensures a long service life and extended range over fewer gears. Each cog is meticulously stamped from steel, with larger ones riveted to alloy spider. FREEHUB BODY SPLINE: Box Cassettes fit 9/10/11 Speed HG MTB Freehub Bodies. No XD or micro spline compatibility. Trust in compatibility and ride confidently with Box Two Prime 9 Speed Cassette Mtb. COMPATIBILITY: Compatible with Box One, Box Two and Box Three Prime 9 components, including chains, Rear Derailleur, and Bicycle Shifter. Elevate your ride with a cassette perfectly integrated into the Prime 9 Ecosystem, offering precision and efficiency across the board. SPECIFICATIONS: Dive into the details of the Box Two Prime 9 Speed Cassette with precision engineering. Stamped cogs, CNC-Machined spider. 9 speeds with Gear Range: 12 - 14 - 16 - 18 - 22 - 28 - 34 - 42 - 50 and Compatibility with EBike Platforms.