Instead of an H-pattern shifter that allows skipping gears, this gearbox uses a ratcheting drum mechanism to shift up or down one gear at a time. The direct mechanical engagement allows for lightning-fast shifts under full throttle, making it the standard choice for motorcycles and dedicated race cars.
Heard on the job
He money-shifted the standard trans, so now he's saving up to swap in a sequential manual gearbox.
Also heard as
- SMG
- sequential gearbox
Related terms
Manual transmission
A gearbox requiring the driver to manually select gear ratios using a shift lever and a clutch.
Money shift
A disastrous accidental downshift at high speed that forces the engine past its redline.
Quickshifter
An electronic sensor and module system that allows for clutchless, full-throttle upshifts.