SCOPE chainring gold 30T, 104bcd narrow wide design

Designed for 11s front single ring drivetrain, the idea of narrow wide machining tooth profile is to fit more closely into the narrow and side plate spacing of a normal drive chain, keeping both safer with less backlash, reduce the chance of chain drop, keep the chain running smoothly. Rigid 5mm alloy plate transmits load without bending Chain pin mount: M8 * P0.75 Tooth: 30/32/34/36/38T BCD104 Material: AL7075-T73