Sram PG-980 Cassette for Mountain bikes. 9 speed. Works with SRAM and Shimano derailleurs and shifters.<br /><br />308 grams.<br /><br />Available in:<br /><strong>11-32</strong>: 11,12,14,16,18,21,24,28,32<br /><strong>11-34</strong>: 11,13,15,17,20,23,26,30,34<br /><p></p>