two grooves in wheel rim
Bicycles Asked on April 18, 2021
Schwinn midtown bicycle, when replacing brakes I see the wheel has many grooves as shown in picture. I do not remember how it was before. Is this condition normal for the wheel rim?
Photo of the old rim and the old brakepad:
Two images of the new rim:
One Answer
These are wear indicators.
After years of braking, the surface of the rim will grind down to a point that these grooves will no longer be discernable. At that point, you should replace the rim.
Answered by Paul H on April 18, 2021
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