On most motorcycles the clutch is operated by a hand lever on the left handlebar.

Honda says that DCT is not an automatic transmission, but an electronic manual, changes being achieved by pushing buttons on the left handlebar.

In Manual mode, the transmission operates in one of six discrete gears chosen by the rider by pushing a plus/minus button on the left handlebar.

In a car the clutch is usually operated by a pedal; on a motorcycle, a lever on the left handlebar serves the purpose.

Twisting a small ring on the left handlebar tells the device to turn.

But he couldn't ride: if he tried to grip the Norton's left handlebar, it was as if a redhot poker were pressed to his bicep.

The gear lever on the left handlebar had three positions, controlling the three gear wheels on the forward end of the bike chain.

The throttle was operated by a twist-grip on the left handlebar.

A bell on the left handlebar.

This was operated by a "nudge" bar similar to a personal water craft throttle, but mounted on the left handlebar.