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HK Hobbies

550 21t Brushed Rock Crawler Motor

Regular price $14.00 USD
Regular price $0.25 USD Sale price $14.00 USD
Sale Sold out

The 21t 550 Rock crawler is a budget motor built for messy, dirty, off road action! It offers THE STRONGEST magnets in a sealed can, nobody has higher quality! On the rocks and in the dirt, it is perfectly at home. Great choice for running in mud without ruining an expensive motor.



Zero timing, universal installation and rotation direction

1/8th inch shaft diameter

36mm OD x 57mm length (not including shaft)

234g weight

m3 mount holes, 25mm spacing, "540" standard

ball bearing on output

High strength Y65 Ferrite magnets for superior torque and efficiency 

Extra thick back iron for more torque and drag