e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t, 11/12-Speed, 107BCD, Black Component Group Sets Chainrings are threaded for standard

Chainrings are threaded for standard M8 chainring bolts for no-nut installation

EAN: 4250307402243

- Anti-friction lubricant

Manufacturer Part Number: A3704-272

UPC: 821973434988

e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t, 11/12-Speed, 107BCD, Black Component Group Sets Chainrings are threaded for standardThe 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