Ride anywhere with the wide-range PG-1230, 11- to 50-tooth SRAM NX Eagle 12-Speed Cassette. The NX cassette gives riders every bit of the climbing range that the Eagle ecosystem affords with a simple upgrade to splined-drive body wheels. The SRAM NX Eagle 12-Speed Cassette is the only Eagle cassette designed to be durable enough to withstand the increased demands of E-MTB applications and a perfect solution to heavy-duty use and abuse. Stamped steel cogs include 8 slide on and 4 stamped cassette components all backed by a forged aluminium spider. Up the gears or replace an older Eagle cassette without breaking the bank with the SRAM NX Eagle 12-Speed Cassette. Features: 8-, 9- and 10-speed splined driver body compatible (Shimano style) Fully SRAM Eagle compatible Wide 11-50t gear range Power Glide technology 8 lightweight, stamped steel cassette cogs 4 high-strength steel cogs pinned to spider Forged aluminium spider Weight: 615g