Full Pin technology uses eleven lightweight, stamped steel cogs held together with 123 high-strength stainless steel pins. The result: a cassette that s light, durable and equipped with SRAM s super wide 10-42T gear range that s a perfect fit for any ride. The open design similar to SRAM'S X-DOMe cassette aids in mud clearance, giving you cleaner shifting performance and longer component life. XD driver body creates more stable hub connection.Technology Highlights: Full Pin, XD Driver Body, JetWeight: 394g Gear Ratios: 10-42ttSpeeds: 11-SpeedRecommended Chain: SRAM PC-X1Recommended Group: SRAM GX 1 x 11, SRAM GX 2 x 11Compatibility: XD Driver Body