This 5 to 1 planetary reduces the RPM’s of your motor and is our replacement part for the EcoSpeed gearboxes.
This 5 to 1 planetary reduces the RPM’s of your motor to a useable speed, and it can wear out over time. Charging it with grease when you change the motor chain will prolong its life, and it can last a long long time. If you put considerable miles on the bike, or ride for years without greasing the planetary, it may wear out, get loud and noisy, and sometimes even break. This is the replacement part for EcoSpeed gearboxes.
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