Gear Box 3mm - 10T - 40T

 Gear Box 3mm - 10T - 40T. This Hobbyking alloy gearbox assembly is designed for 28mm class out-runner and in-runner motors with a 3mm shaft. This quality assembly offers a high degree of accuracy with adjustable motor mounting for accurate gear meshing, main pinion is mounted on quality bearings and comes with a 4mm prop adapter, ideal for gliders, scale or aerobatic models where a large prop is desired. The unit is fully servicable with a range of spare pinions available.

Dimension: 38mm (total inc shaft) x 33mm, 16mm(cage)
Weight: 13g (inc prop adapter)
Diameter of shaft:4mm threaded
Length of front shaft:21mm