Go beyond ordinary products with the advanced design of SRAM EAGLE NX SX Cassette SX PG 1210 NX PG 1230 11-50T 12s Speed MTB Bicycle Cassette Bike Freewheel 12 Speed MTB Bicycle Bike. Built with user satisfaction as the top priority — backed by real reviews. Start exploring now at Meser.pl — find your next great buy today.