Thread: How Fred would this be?
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Old 04-03-12 | 10:26 AM
  #49  
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cyccommute
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Originally Posted by jeffpoulin
Just curious, for those who are doing 1g braking with rim brakes, do you get excessive wear of the rims and/or pads? Or is the wear the same as 0.5g braking that takes twice as long?
The distance needed to stop is inversely proportional to the g force. Thus, if you are decelerating at 0.5g, it takes twice the distance to stop as at 1g deceleration. The amount of time that you have the brakes on is longer in the lower g deceleration so the wear on the system is actually worse than in the harder deceleration case. Given that friction is probably higher in the higher deceleration case, it would be hard to say if the amount of wear is higher, lower or a wash, however. I don't notice excessive wear in rims or pads on my bikes but then I'm not always doing panic stop style braking.
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