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 & equipped with SRAM’s super wide 10-42t gear range that’s a perfect fit for any ride. The open design similar to our X-DOME™ cassette aids in mud clearance giving you cleaner shifting performance & longer component life.• FULL PIN™ technology uses eleven lightweight stamped steel cogs held together with 123 high-strength stainless steel pins• Super wide 10-42t gear range—a perfect fit for any ride• Optimized gear steps across entire range• Open design aids in mud clearance• XD™ driver body creates more stable hub connection