Positive, No chain or belt to break.
Negative, Noisy.
Belt drives can be used when the distance between two shafts(for transmitting power) is large and are relatively cheaper than gear drives.
these are very noisy they take a lot of space for transmitting power
Because the speed is decreased less from an equal gear ratio.
Weak compare to helix gear, noisy, cannot handle heavy load Easy to manufacture so cheap, readily available
Advantages of using a fixed gear front brake on a bicycle include simplicity, lightweight design, and improved control. Disadvantages may include limited braking power, increased risk of skidding, and potential safety concerns in emergency situations.
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