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Gearboxes allow you to swing larger props when you need more thrust and less speed, like on Cubs and other slower models.
Items [4]
4.09:1 Gearbox for 280, Ballbearing
Gearboxes with ballbearings, for SPEED 280 motors
Product# MJ8007
Our Price: $16.90
10 Tooth Pinion (2mm hole) for SPEED 280/300 Gearbox, 4.5:1
Replacement Pinions for MP Jet Gearboxes
Product# MJ8021
Our Price: $2.40
Front Adapter for 400 MJ Gearbox
Front Adapters allow you to mount MJ gearboxes for SPEED 280 or SPEED 400 directly to the nose of an airplane
Product# MJ8037
Our Price: $4.40
13 Tooth Pinion (3.2mm hole) for SPEED 480 Gearbox, 3.5:1
Replacement Pinions for MP Jet Gearboxes
Product# MJ8109
Our Price: $2.70