SRAM NX Eagle Groupset: 175mm 32 Tooth DUB Boost Crank, Rear Derailleur, 11-50 12-Speed Cassette, Trigger Shifter, andThe NX Eagle drivetrain system brings a wide range of gear choices engineered for simplicity and durability, so riders can focus on what matters mostthe ride ahead. German engineered and proudly bearing the SRAM Eagle stamp of approval, designed to be durable enough to withstand the increased demands of E MTB applications and a perfect solution to heavy duty use and abuse. The NX crankset and X Sync 2 chainring was engineered for complete chain