.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;} Allows for 4Adeg, 6Adeg, 9Adeg, or 12Adeg of rotation at the spider, reducing the effects of chain growth that reach the riders feet. This results in the feel of riding chainless.Reduces the negative effects of chain growth on suspension performance.Requires a 104 BCD chainring. Fits 32-36t chainrings. 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 ul{font-size:24px;font-weight:600;margin-left:-25px;padding-top:35px;border-top:3px solid #f0f0f0;}.desc li{list-style:none;border-bottom:4px solid #eb212e;width:142px;} TECH SPECS model Ochain E configuration 1x interface Brose/SRAM 55 BCD 4x104mm color black