e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t 11/12-Speed 107BCD Black MFPN=1C0414DBL 100% CNC machined hubs with

100% CNC machined hubs with 6-pawl simultaneous engagement

Crafted from robust aluminum AMPP900 is designed to illuminate your two-wheeled adventures for years to come

14mm hollow axle

}Shimano MT210-3 Left Crank Arm - 175mm Black

e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t 11/12-Speed 107BCD Black MFPN=1C0414DBL 100% CNC machined hubs withe*thirteen Helix R 107 BCD 4 Bolt Chainring 40t 11 12 Speed 107BCD Black. The 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 theyre CNC sculpted for a high