e*thirteen Helix R 107 BCD 4-Bolt Chainring - 42t, 11/12-Speed, 107BCD, Black Mountain Chainrings UPC: 821973253800

UPC: 821973253800

124082-Q0-L

185541-Q0-L

176730-Q0-L

e*thirteen Helix R 107 BCD 4-Bolt Chainring - 42t, 11/12-Speed, 107BCD, Black Mountain Chainrings UPC: 821973253800The 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