Arrowmax MRX5 48T aluminium rear pulley
In addition to the full series of Mugen MRX5 transmission belt pulleys from Arrowmax, they today have released the 48T rear axle pulley. CNC machined from 7075-T6 aluminium it too is completely true and has been hard-coated for extra durability. Light weight, it features holes in the side wall to help debris escape and dissipate heat produced by friction.
Source: Free Max [freemaxmp.com]