e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t, 11/12-Speed, 107BCD, Black Chain Tools EAN: 8855627006209

EAN: 8855627006209

EAN: 0754523900681

- Dual compound fender reduces vibration

175388-Q0-L

164762-Q0-L

e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t, 11/12-Speed, 107BCD, Black Chain Tools EAN: 8855627006209The 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