Overdose Drilled HD Idler Gear for GALM/XEX

Balanced both strength and response !
Updated HD Idler Gear now available !!

Previous HD idler gears have high strength and excellent wear resistance, but their weight makes sometimes have dissatisfaction with the throttle response. This new gears reduce the weight from 11.5g to 9.2g with drilled hole on side surface and reduce gear width design to the minimum for necessary. It is improved throttle response and drift controllability and traction performance. And the quenching process has been improved gear durability. Fit for GALM chassis with OD2589 necessary.