Buy Modify Gear Set Modular 8mm Ver.2/Ver.3 Speed 16.32:1

Specifications

Steel gears are hardened and durable
Modular design, no need to adjust gear clearance
Easy to install and easy to maintain
Recalculate the size of the upper cam and shorten the stroke of the lever
With a safety check valve, the “one” groove on the Anti-Reversal Latch is designed to quickly and safely release the electric gun spring before opening the gearbox.

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