WHAT IS A RIM? The rim is the outer circular part of the wheel, normally made from steel for trucks and buses. It is the part of the wheel that seals against the tyre.
WHAT IS THE PURPOSE OF A RIM? The main purpose of the rim is to provide a smooth, clean surface that will allow the tyre to fit seamlessly onto the wheel. With tubeless tyres the rims have an additional function of providing an airtight seal between the rim and tyre. The rim is the link between the tyre and hub/spokes. Together they form a functioning wheel.
real QUESTIONS real ANSWERS JANUARY 2012
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