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.

• TECH SPECS