{"product_id":"e-thirteen-helix-r-chainring-28t-11-12-speed-52-55mm-flip-flop-cl-3-5mm-offset-e-thirteen-dm-blk","title":"e*thirteen Helix R Chainring - 28t 11\/12-Speed 52\/55mm Flip Flop CL 3.5mm Offset e*thirteen DM BLK","description":"\u003cstyle\u003e.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;}\u003c\/style\u003e\u003cdiv class=\"top\"\u003ee*thirteen Helix R Chainring - 28t 11\/12-Speed 52\/55mm Flip Flop CL 3.5mm Offset e*thirteen DM Black. e*thirteen Helix R Direct Mount Chainrings manufactured from durable AL-7075-T6 combine aesthetics and design efficiency. Their flip-flop design accommodates Boost or Super Boost chainlines. With e*thirteens narrow-wide tooth profile they ensure enhanced chain retention reduced wear and compatibility with Shimano and SRAM chains. Perfectly complementing all Helix Cranks theyre backward compatible with e*thirteen TRS LG1 and XCX Race cranks.\u003cli\u003eDirect Mount design for use with Helix cranks adjustable chainline TRS\/LG1 cranks and XCX Race cranks\u003c\/li\u003e\n\u003cli\u003eM4 narrow-wide tooth profile provides Shimano and SRAM 11\/12-speed chain compatibility excellent chain retention and reduced wear\u003c\/li\u003e\n\u003cli\u003eConvenient flip-flop design compatible with both Boost and SuperBoost chainlines (52\/55mm)\u003c\/li\u003e\n\u003cli\u003ee*thirteens Quick Connect direct mount interface keeps the system secure and creak-free\u003c\/li\u003e\n\u003cli\u003eForged from premium 7075-T7 aluminum then extensively CNC optimized for light weight and technical aesthetics\u003c\/li\u003e\n\u003cli\u003eDurable 7075-T6 construction for long wear-life stiffness and strength\u003c\/li\u003e\n\u003c\/div\u003e\u003cstyle\u003etable{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;}\u003c\/style\u003e\u003cdiv class=\"desc\"\u003e\u003cul\u003e\u003cli\u003e TECH SPECS\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003ctable\u003eTooth Count 28Drivetrain Speeds 11Drivetrain Speeds 12Round or Oval RoundOffset 3.5Material AluminumColor BlackWeight 43Defined Color BlackDirect Mount Type Direct Mount e*Thirteen\u003c\/table\u003e","brand":"E*thirteen","offers":[{"title":"Default Title","offer_id":50749198827838,"sku":"CR4203","price":72.95,"currency_code":"USD","in_stock":false}],"url":"https:\/\/www.goodwynns.com\/products\/e-thirteen-helix-r-chainring-28t-11-12-speed-52-55mm-flip-flop-cl-3-5mm-offset-e-thirteen-dm-blk","provider":"Goodwynn's","version":"1.0","type":"link"}