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Old 04-05-2011, 12:33 AM   #130 (permalink)
Frank Lee
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What I (think I) know is, they've been reducing caliper drag in teensy increments in the last decades but only in the last couple of years have they gotten serious about it and incorporated return spring mechanisms (which I've never seen anywhere but in printed materials). So, unless the disk brake system is a new no-drag design of only a couple year's age, it probably has more drag than any old drum system.
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