e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t 11/12-Speed 107BCD Black MPFN-SCO020286S0100 (mm) 37 Material Steel Thickness

(mm) 37 Material Steel Thickness 7

Unior tools for pedal thread repairs

CE tested and certified as:

Material 7075-T6 Aluminum BCD Direct Mount Shimano Speed 12 Teeth 30 Position Front Chainring Comp

2mm Cobalt Blue

e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t 11/12-Speed 107BCD Black MPFN-SCO020286S0100 (mm) 37 Material Steel Thicknesse*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