The gearbox is not machined correctly. Not 100% round = Not usable! Replaced with 4 other gears to confirm this is the problem. You guys don't test your stuff before shipping!
π§ Enhanced Performance with JISTL Plastic Single Double Reduction Gear
3 Review
π§ Tapered Pinion Diameter Module - CNBTR
3 Review
π The Ultimate Guide to Boston Gear NB24B Pressure Angle: Features, Benefits, and Applications
3 Review
RC Toys Remo Hobby Smax Upgrade 4WD 1:16 Blue Rh1631upg .
15 Review
π§ Maximizing Performance: VOLV Precision Chrome Steel Bearing for Optimal Efficiency
3 Review
π© High-Performance Precision Chrome Steel Bearings
3 Review
Breezliy Precision Stainless Assorted Assortment
3 Review
πΉ Sackorange Miniature Bearings Pack: Enhancing Skateboard Performance
3 Review