Arrowmax AM-RX8-345148 Composite Rear Solid Axle Pulley 48T 7075 Hard  [AM-RX8-345148]

Arrowmax AM-RX8-345148 Composite Right Back Solid Axle Pulley 48T 7075 Tough

Another collection of gear pulley for RX8, CNC machined from good 7075 T6 aluminum,have been hard coated, is very lightweight,also far more durable.
The holes inside component can effectively stress away the dirt from friction.