e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t, 11/12-Speed, 107BCD, Black Seatpost Parts & Shims Manufacturer Part Number: BB2000

Manufacturer Part Number: BB2000

- Grooved channels prevent mud and water buildup

it's the right aluminium wheel for those who are becoming acquainted with the world of racing bicycles and are attentive to details

UPC: 812119111467

UPC: 849430052513

e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t, 11/12-Speed, 107BCD, Black Seatpost Parts & Shims Manufacturer Part Number: BB2000The 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