Did you check with VO and/or try other samples of either products? I think it's premature to call them "incompatible" after only one test case.
On Jul 4, 10:43 pm, Thomas Lynn Skean <thomaslynnsk...@comcast.net> wrote: > Hi! > > I tried to mount a Sugino XD2 crank from RBW on a 107mm VO bottom > bracket and couldn't make it work. Mounting the crank onto the > spindle, before I had slid it on far enough to get the appropriate > torque on the crank bolt, the inner portion of the crank arm > interfered with the bottom bracket itself! At first when I was having > trouble turning the cranks I thought... hmmm, did I ruin a bearing or > something? But no, it was just that the crank arm was literally jammed > up against the bottom bracket itself. Just plain weird. > > Anyway, I suspect both the VO bottom bracket and the XD2 crank I have > are perfectly fine normal examples of their kind. And I suspect the VO > BB is a fine product in general, as is the XD2 crank. They just didn't > work together for me. > > The only other bottom bracket I had lying around was a 113mm Truvativ, > which turns just fine for now. When it shows age, I may replace it > with a larger VO. I wasn't really very close to the required torque on > the crank when it came in contact with the bottom bracket. It isn't > obvious that a 110mm VO bottom bracket would work. I suspect a 113mm > would, though. > > Perhaps I should just get the 107mm from RBW. This would give me the > intended chainline. However, I'm going to eyeball carefully my current > set up. I haven't concerned myself with Q-factor up to this point; > longer spindles on a bottom bracket don't bother me as long as the > chainline is reasonable for how I ride. I need to give that more > thought. I may even go with a 118mm BB if the chainline is okay. At > that point, the crank arms might just slip right past the two-legged > Pletscher kickstand when its deployed. That basically turns the > kickstand into a work stand. (That and a couple of ceiling-mounted $3 > bicycle hooks were the only stand I used to the build the bike up with > in the first place.) > > Anyway... just in case anybody else tries the 107mm VO BB with an XD2 > crank. I wouldn't expect it to work right out of the box. > > Yours, > Thomas Lynn Skean -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
