Pre-select was used with the indexed stem shifters. IIRC, it had a spring-loaded cable mounting bolt on the RD that allowed the rider to shift (or "pre-select") while they were not pedaling, then the shift would happen once they started pedaling.
On Sunday, September 2, 2012 10:43:07 PM UTC-4, Joe Bernard wrote: > > Cross-posted from Internet-Bob because I know lots of Rivendell people > like shiney Suntour bits. I found this on Craigslist last week. I found > several unusual bits I'd never heard of: > Ergonomic MTB grips called Palm Control, which I presume were > grip-shifters similar to Campagnolo in which the entire grip moved for > shifts. > Have you ever seen indexed stem shifters? Me neither. They had > friction-left/friction-index-right and a single righthand fiction-index > shifter for bikes without front derailers. > Two rear derailers with something called a "pre-select mechanism". I have > no idea what that is. > The number of groups they were running in 1988 is staggering. Paging > through the book, it's hard to believe they were gone six years later. > Joe Bernard > Vallejo, CA. > -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To view this discussion on the web visit https://groups.google.com/d/msg/rbw-owners-bunch/-/2bQSLpAr1XcJ. To post to this group, send email to rbw-owners-bunch@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.