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54-tooth spur gear (32-pitch) replaces #3956.
15-tooth (32-pitch) pinion gear replaces #3945X
17-tooth (32-pitch) pinion gear replaces #3947X
19-tooth (32-pitch) pinion gear replaces #3949X
Joe Cotterill
Reviewed in the United States on February 6, 2025
Arrived with chipped teeth on spur gear right out of package. I am very impatient when it comes to waiting for returns etc.. so I just installed it and haven't had any issues with it yet.
Mark Krochuck Canada
Reviewed in Canada on August 19, 2024
These worked in my new traxxas stampede / hoss when I converted it from the BL2S system to a Hobbywing 10BL120 esc and 3660 motor combo.
Michael
Reviewed in the United States on May 6, 2024
Worked great! Fit perfectly! Love the extra pinion gears. What a bonus!
julio m
Reviewed in the United States on March 30, 2023
The pinion do not fit in the motor. Do not buy
Annmarie Ercoli
Reviewed in the United States on May 19, 2022
The metal adapters that came with it were garbage the pinion gear will not stay on at all ive wasted 1 week and it's not worth your money to waste
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