e*thirteen Helix R Chainring - 34t 11/12-Speed 52/55mm Flip Flop CL 3.5mm Offset e*thirteen DM BLK

.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 Chainring - 34t 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.Direct Mount design for use with Helix cranks adjustable chainline TRS/LG1 cranks and XCX Race cranks M4 narrow-wide tooth profile provides Shimano and SRAM 11/12-speed chain compatibility excellent chain retention and reduced wear Convenient flip-flop design compatible with both Boost and SuperBoost chainlines (52/55mm) e*thi