Yokomo B10-630MA Main drive pulley for BD10 橫崛 Yokomo MRTC-BD10FF Spare Parts  [B10-630MA]

This is a BD10 standard aluminum pulley. The number of teeth is 20T, which puts less stress on the belt, and the hard coating reduces friction.

Supported Chassis
MRTC-BD10FF / MSR-BDFWD / MSR-010 / MSR-010A