Durable rebuildable and proven. Ride anywhere with the wide-range PG-1210 11-50t Eagle cassette. Splined driver body compatibility means widespread acceptance among wheel manufacturers while replaceable E-MTB "speed limit" gears ensure riders can maximize the life of their drivetrain.Common eMTB "speed limit" gears (11t-13t-15t) cogs are replaceable to extend the life of the cassetteSplined driver body compatibility10-50t range SPECS table{border-collapse:collapse;width:100%;} td{text-align:left;padding:8px;font-weight:350;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} Range 11-50 Cogs 11-13-15-17-19-22-25-28-32-36-42-50 Cassette Body Type Shimano HG Drivetrain Speeds 12 Color Black Defined Color Black