A shift knob also known as a gear knob, gear shift knob and stick shift knob is the physical interface between the manual transmission stick shift and the drivers hand. Made of many materials from simple plastics through to platinum it comes in many shapes sizes and weights. Generally spherical in shape the OEM versions tend towards the conservative and the automotive aftermarket versions can be found to be of very original design.
The shift knobs' principal function is the ergonomical interface between driver and the manual transmission stick shift. The stick shift, as the name implies, is often just a machined or cast aluminium or steel rod with or without threading the shift knob is fitted on its end[1].
In recent years manufacturers have increased the variety of shifts knobs available to the consumer from inexpensive plastics to diamond studded white gold[2].
References
- ^ http://www.freepatentsonline.com/4896556.html
- ^ http://news.cnet.com/8301-17938_105-9694174-1.html The $150,000 shift knob
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