Description

1 foot screw hole position can be suitable for Ipomoea, Brompton new small cloth election BCD130.

2. Installation angle of three degrees, six degrees, 30 degrees, 42 degrees, the angle markings will be aligned on the right side of the pedal crank lock, this angle also represents the starting point of the force output.

3. Toothed specifications can be customized, there are currently produced 46 + -3.5, 50 + -3, 50 + -5, 54 + -5, 6-speed with 2 speed cloth are not required to change the chain can be used.

4. Material 6Al4V titanium