e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t, 11/12-Speed, 107BCD, Black Seatpost Parts & Shims - Grooved channels prevent mud

- Grooved channels prevent mud and water buildup

UPC: 849430052513

155723-Q0-L

grip and longer wear-life

e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t, 11/12-Speed, 107BCD, Black Seatpost Parts & Shims - Grooved channels prevent mudThe e*thirteen Helix R 107BCD Chainring, designed for 4 bolt 107BCD cranks like SRAM Red or Force including power meter equipped cranks, offers a performance upgrade for Gravel and Road cyclists. The 38, 40, and 42 tooth rings pair perfectly with e*thirteens cassettes for more overall range and higher top speeds. Made from durable premium 7075 alloy, they're CNC sculpted for a high stiffness to weight ratio. Compatible with both SRAM and Shimano 11