E*thirteen Helix R Guidering (52/55 Flip Flop) 34t - Gray

.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 R Guidering - 34t 11/12-Speed 52/55mm Flip Flop CL 3/5mm Offset e*thirteen DM Gray. Helix R Direct Mount rings are designed to function equally well with all 11 and 12-speed SRAM™ and Shimano™ drivetrain systems on e*thirteen Helix or legacy TRS/LG1/XCX cranks.e*thirteens Gen 4 narrow-wide tooth profile delivers upgraded chain retention lower system noise and increased wear-life Cross-Compatible with SRAM and Shimano 11 and 12 speed chains Convenient flip-flop design compatible with both Boost and SuperBoost chainlines (52/55mm) Pair seamlessly with Helix and Helix R cranks or with legacy TRS/LG1/XCX cranks using included 1mm spacer ring e*thirteens Quick Connect direct mount interface keeps the system secure and creak-free Forged from 7075-T7 aluminum then extensively CNC optimized for light weight and technical aesthetics Tough enough for any MTB discipline 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 Chainline/Hub Compatibility 141/148 Boost Hubs Chainline/Hub Compatibility 157 Super Boost Hubs Color Gray Defined Color Gray Direct Mount Type Direct Mount e*Thirteen Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Material Aluminum Offset Flip-Flop 0/5 Ring Position/Type Chain Retaining Single Ring Round or Oval Round Tooth Count 34