6 mm larger diameter: you may need adjust the vehicle gearing to not overload the motor/esc

bidirectional

a bowtie rests on his neck as a small round tail pokes out from his back

position: relative

a Hippogriff

Aluminum Gear Box Set (Grey) Alien Stage 6 mm larger diameter: youUpgrade your Microbe Buggy with this Aluminum Gear Box Set. Designed to eliminate flex, improve gear alignment, and deliver silky smooth power transfer, this lightweight yet ultra strong housing is perfect for high torque micro motors and hard charging miniature action. Stealthy Grey anodized finish with silver machined accents for a premium, race ready appearance.