Ernest Csuka of Cycles Alex Singer always said that no adjustment should be at the end of the range. Good bikes and good components are designed so that you don't need to push things to the very edge. In Rivendell's early days, this wasn't the case, since only short-reach brakes were commonly available, so Grant spec'd the clearances so the brakes were at the bottom of the slot, so you could fit the widest possible tires. All was fine until Toyo got it half a millimeter off on some Rambouillets, and you had to file the slots of the brake to stop the pads from hitting the tires... I am glad that we now have better components and no longer need to take these risks.
The Compass brakes are designed to provide optimum clearances with 42 mm tires and the pads 2/3 of the way down the slot. Moving the braze-ons higher (and the pads lower in the slots) would increase the clearance, but if you use our rack, it would move the fender mount too high. The brakes open far enough for 42 mm tires as designed, so there is no need to push them any further. Our custom pad holders are short enough to clear the seatstays/fork blades, so the brake can open wide. Most modern pads hit the stays/blades, which limits how wide the brake can open. If you use narrower tires (say 38 mm), then it makes sense to move the pivots down a bit, so the rack sits at the right level above the tires again. We intend the pads always to be in the middle third of the adjustment range, so that you have some wiggle room. Jan Heine Compass Bicycles Ltd. www.compasscycle.com Follow our blog at http://janheine.wordpress.com/ On Friday, December 5, 2014 4:05:00 PM UTC-8, BSWP wrote: > > Can anyone comment on benefits/risks of placing the centerpull braze-on > posts so pads are normally at position of longest reach? > -- 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 rbw-owners-bunch+unsubscr...@googlegroups.com. To post to this group, send email to rbw-owners-bunch@googlegroups.com. Visit this group at http://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.
