This is a lightweight aluminum pulley with special anodized finish for minimal friction and supreme effectiveness. Change components while they show deterioration to keep your model operating in top condition. Flange is blue anodized, as the gear section is anodized in a gold color.
Suitable Chassis
TRF420 Chassis
*The official Tamiya R/C Parts Matching List has lots of information regarding chassis appropriate for Tamiya free and Hop-Up choice components.