e*thirteen Helix Race Cassette - 12-Speed 9-52t Bronze

.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;}e*thirteen Helix Race Cassette - 12-Speed 9-52t Bronze. The e*thriteen Helix Race 12-speed 9-52t cassette is engineered to deliver precision shifting performance with an industry leading 578% gear range. The proprietary 9 tooth smallest cog combined with the 52t largest cog enables the use of a smaller chainring for improved clearance lighter system weight and a lower bail out gear ratio without high gear compromise.Seamless cross-compatibility with Shimano SRAM and TRP 12-speed drivetrains Patented 2-Part design provides strength stiffness light weight and ease of service Aluminum and steel clusters can be replaced separately to reduce service cost 9 tooth high gear allows use of smaller chainrings for clearance and weight savings Fits XD™ and XDR™ Drivers Only (Hope XD drivers are undersized at the clamp location and require a Cassette Shim Kit -Sold Separately) Tested extensively for analog and e-bike use 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 Cassette Body Type SRAM XD 11/12 Speed Cassette Body Type SRAM XDR Cassette Cogs 9-11-13-15-17-20-23-27-31-36-43-52 Color Bronze Defined Color Brown Defined Color Silver Designed for ebike Yes Drivetrain Speeds 12 Range 9-52 Weight 392