Mike, you're thinking of chain drop, which can indeed be stopped with careful setup and a chain catcher. This problem is chain suck. The chain falls between the middle and small ring. I first discovered this problem on a hi speed roundabout! Not good, not good.
Shims come in 1 & 2 mm thickness and can usually be gotten from LBS. I think I have used 1he 1 mm in the past, but can't swear by this. I'm headed out now to get me some. In addition to the stupid hidden bolt, the shims make putting this crank together rather frustrating. Michael On Saturday, March 2, 2013 1:09:36 PM UTC-5, Mike Schiller wrote: > > Never ever happened to me on 4 different bikes. I always use the shortest > bottom bracket that will clear the chain stays and carefully set up the low > limit on the front derailleur. There is a plastic device that you can > attach to your seat tube that keeps the chain from dropping off too. I > have used one called the 3rd Eye chainwatcher on MTB's in the past. > > ~mike > > > -- 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 http://groups.google.com/group/rbw-owners-bunch?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
