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Generally, it will go away if you apply the brakes a bit (it will be a bit noisy at first, but after a few applications it will look as good as new), since the rust is likely only on the surface (this is one way to tell if a car has been not driven for a few days - rust spots appear on the brake discs, but they'll go away after a short trip around town). ...


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See the comments on this question. On an old compatibility chart, Shimano says they will play nice with old brake levers, but on newer ones they say they the braking force may be much too high on their data sheets. However, other companies make decent long reach calipers as well, such as the Tektro R556/R559 (maybe these are extra long reach by some people ...


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The cable pull ratio was changed for the listed models, whereas previous generations were compatible with a wide range of Shimano and non-Shimano brake components. Use Shimano's Specifications site to compare the compatibility of your levers and brake calipers. http://productinfo.shimano.com/specifications.html


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For the most part, no. The main problem is that you don't brake for very long compared to a normal battery charging cycle, so regenerative braking doesn't match the battery very well. Some systems use supercapacitors because they're designed for this sort of situation, but those are expensive and heavy in a bicycle application. Motors also typically don't ...


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Depending on your brakes and their design, you may not want the rotor centered. If both pads move when the lever is squeezed, then center position is correct. However, if you have one fixed pad and one pad that moves you want the rotor to be as close as possible to the fixed pad (without touching/rubbing) so that it bends the least when the one moving ...


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The boss spacing changed from 60 mm to 80 mm with the advent of mountain bikes which use wider wheels. 60mm is the spacing the Dia Compes were made for. What you need are cantilevers made for the narrower spacing with an adjustment for spring tension. Avid Shorty Ultimates are adjustable and their wide setting works well with 60 mm post spacing. Spring ...



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