Description

28mm 14:1 all metal planetary gearbox

• NEW shorter design uses side clamp screws for a more compact and durable product
• Featuring 0.5 mod gears and 3mm planet pins
• Output shaft supported by dual bearings
• Upgraded output shaft made from heat treated 4130 steel, with integrated final stage carrier
• 7mm hex/8mm round output shaft, 38mm shaft length
• M4x11mm tapped hole on the end of the shaft for retention
• 4x M4 facemount screws at a 22mm circular pattern
• Featuring 2x M3x16mm and 2x M3x19mm hole pattern to fit your standard 28xx motor
• ＡＥＳＴＨＥＴＩＣ Black anodized aluminum parts for faster performance
• comes with 1x 4mm bore pinion gear
• 105 gram weight with pinion gear
• Comes pre-greased

Find 3D model here: https://grabcad.com/library/repeat-drive-ultra-mk2-gearbox-1

Re-greasing is recommended for high input speeds. Running the gearbox with stock grease at high rpms can cause unwanted thermal effects that will cause your motors to draw more current and run less efficiently.