The only maintenance I've had to do on Avid BB7's in a year of running them is adjusting the calipers every so often with then turn of a screw and changing the pads. I do not miss having to try to conjure devil magic (or relying on LBS) to adjust V-brakes to reduce squealing or (worse) cantis to work properly at all.
On Monday, May 23, 2016 at 1:04:30 PM UTC-7, Brewster Fong wrote: > > > > On Monday, May 23, 2016 at 12:27:38 PM UTC-7, Peter White wrote: >> >> Replacing a warped disc is a lot cheaper than rebuilding a wheel. A >> customer brought in his tandem wheel a few weeks ago. It had a slightly >> dented rim. If the tandem had rim brakes he would have needed the rim >> replaced. But since it is disc, all it needed was a bit of truing. The dent >> isn't bad enough to affect the ride or the seating of the tire. >> > > Agree. The flip side is disc brakes can be difficult to maintenance, > especially if it has hydraulic disc brakes. One of my friends with a C'dale > cross had a really hard time bleeding his brakes. He brought in a mobile > mechanic who couldn't do it. But, the mechanic was able to contact the > mfr and they found a problem with the caliper, which was replaced under > warranty! So far, so good! > > With rim brakes, changing pads is a piece of cake and he would have never > had any problems. Of course, YMMV! Good Luck! > >> >> On Mon, May 23, 2016 at 12:23 PM, Brewster Fong <[email protected]> wrote: >> >>> I think Rich may be on to something. But is this really a problem or is >>> it theoretical? There are probably 100s of thousands, if not million of >>> bikes out there with disc brakes! Yes, it's new for road bikes, but there >>> have been disc brake mtbs and cross bikes for at least what 5, if not 10 >>> years. But a broken spoke is fairly minor and usually can be easily fixed >>> at most LBSs. Further, a broken spoke could be from something else or it >>> may be from this poor dish, but everyone thinks its from something else. >>> >>> So, it doesn't seem like that big a problem. Maybe a survey of shops is >>> needed to see how many disc-brake equipped bikes come in with broken spokes >>> that require only a few dollars and minutes to fix. >>> >>> So far, my two or three friends with disc brakes love it and haven't >>> broken any spokes yet! >>> >>> Good Luck! >>> >>> On Friday, May 20, 2016 at 1:55:43 PM UTC-7, masmojo wrote: >>> >>>> Well, I've personally built several disk wheels & a couple of those >>>> were fronts and will be building 2 or 3 more shortly. (On top of that I >>>> have probably built a couple dozen non disk wheels) No disrespect to Rich >>>> but the front disk hubs I have used required no dish at all! Typically, >>>> (from what little I've seen) the manufacturers relocate the non braking >>>> side flange further inboard so that no dishing of the wheel is needed and >>>> while I prefer not having any dish in the wheel I am not sure whether I >>>> wouldn't prefer it to the loss of triangulation that results from moving >>>> the flanges in to compensate for the disk. >>>> I used the term sprung weight mearly as a counterpoint to the rolling >>>> weight and because a better term did not come to mind. It was not the >>>> significant point of the topic anywayz. The main point that you obviously >>>> missed was that less rotating mass is preferable to less weight in the >>>> frame. AND not to be argumentative or go into too much pointless >>>> explanation, but a bicycle frame on spoked wheels would be considered >>>> sprung weight! >>>> Your friends Trek probably just got a bum wheel, my XO-1s front wheel >>>> broke several spokes when I first got it, tore it down rebuilt it, no >>>> further problems. >>>> The average rider probably doesn't break too many spokes regardless of >>>> configuration, which was part of the point of what I was making. If you >>>> break a lot of spokes you need a new wheel builder. >>>> >>>> My experience with trying to straighten pieces of metal like brake >>>> rotors is that typically you do more harm then good. The tolerances on >>>> disks are so small that a wobble of less then a millimeter effects whether >>>> it will rub or not and by extension how good it will work. I have seen >>>> people "shrink" metal, using a torch/heat, but again I might cause more >>>> harm then good. >>>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "RBW Owners Bunch" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To post to this group, send email to [email protected]. >>> Visit this group at https://groups.google.com/group/rbw-owners-bunch. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> >> >> -- >> Peter White >> > -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.
