It’s the WPL deceleration gear box for c-14 c-24 rc car parts
One gear 30 yards:speed 616 r/min 8km/h
Two gear 19 yards:speed 973 r/min 15km/h
Note:This product included small parts and pay attention to not to swallow it.
All the products should be used by the aged above 6 years old.
1X WPL deceleration gear box set