Yokomo B9-501GAA Aluminum drive cup for BD9 Gear diff 橫崛 Yokomo MSR-BDFWD  [B9-501GAA]

This may be in fact an aluminum joint cup the gear differential which standard gear on BD9. It truly is specifically made for needs trying a resin protector become connected to the universal shaft component, which is difficult anodized to reduce use.
Its lighter than standard steel which frequently effective in increasing drive effectiveness and acceleration effect. Also, by simply making the rotating elements lighter, the gyroscopic effect generally speaking reimbursed, which is effective in increasing work out performance.

Supported Chassis
MRTC-BD919 / MRTC-BD919S / MRTC-BD10 / MRTC-BD10A / MRTC-BD10LC / MRTC-BD10LCA / MRTC-BD10LCR / MRTC-BD10LCRA / MSR-BDFWD