A couple things with the ST Sprint shifters Pam. Firstly I don't know for sure, but I'd venture to guess the compression washer Riv and others sell for the Dia Compe/Riv versions will likely work as I thought these were based on the Sprint tooling. Secondly, I read this about Campagnolo DT shifters that slip, that is to apply some rosin powder to the inside of the washer. Rosin is a tacky powder typically used by baseball pitchers for better grip. This gives the shifter washer some added friction. Any sporting goods store that sells baseball stuff with have either a rosin bag or a bottle of powder. More friction inside the shifter means it doesn't need to be tightened as much, hence last longer !
On Thursday, September 21, 2023 at 1:29:50 PM UTC-4 Pam Bikes wrote: > I ordered a new shifter but - duh - ordered the wrong one. So I ordered > the correct one. It's on it's way. > > I promise I'm not lax about my bike. But I'm not overly careful. Parts > wear out and break. I like a tall kickstand and I strap my purse on the > handlebars and sometimes it falls or the wind blows it down. I have been > better. And sometimes I get it off Amtrak and it has fallen apparently. > So now I have some foam and a cardboard tube I put on the L so if it falls > it won't break hopefully. But I know I'll need another shifter at some > point in the future. > > I like to keep spare parts in the closet. I use my bike everyday. > > BTW I did try to put an old pair of SunTour shifters on and for some > reason, They wouldn't get tight enough to have enough friction to hold. A > friend had a pair I would have used. > > Thank you to everyone who is helping us out. Among us all we have all the > parts. > > On Thursday, September 21, 2023 at 11:12:44 AM UTC-4 Wesley wrote: > >> I am frankly amazed at the workout Pam is giving her bike, to wear out >> multiple shifter pawls! I can imagine a few ways to do a repair, none of >> which are "worth it", in terms of resource and money cost (3D printing, >> filing down a bit of aluminum bar, CNC milling). The most expedient fix, >> IMO, would be to epoxy the ratchet gear to the shifter body so that the >> both directions work in friction mode. >> -Wes >> >> On Tuesday, September 19, 2023 at 8:02:06 PM UTC-7 eric...@gmail.com >> wrote: >> >>> Hi all — I'm looking for some neglected, cast off or broken Silver 1 >>> shifters to scavenge so that I can repair some broken Silver 1 shifters >>> sent to me by forum member Pam Murray. If you have some you aren't using or >>> that you think are broken which you are willing to send me for the cost of >>> shipping please let me know. I will use them to repair Pam's shifters and >>> get them back to her! >>> >>> I recently read enjoyed Pam's thread on broken Silver shifters >>> <https://groups.google.com/g/rbw-owners-bunch/c/HIqS567cjio/m/XvTLS759AQAJ>. >>> >>> And right on time one of my Silvers broke. So I took mine apart to have a >>> look. It turns out the spring was clogged with corrosion and wouldn't >>> compress, allowing for the pawl to hold the ratchet wheel and hold tension >>> on the shifter cable. Luckily the spring and pawl only needed to be cleaned >>> and reassembled. >>> >>> Pam sent me three broken Silver shifters. As many of us know, Pam has >>> put tens of thousands of miles on her legendary Betty Foy. She's worn out >>> many parts and she's interested in getting them back into service when >>> possible. I took a look and was able to fix one of the shifters. The other >>> two require new pawls, which I can't locate. >>> >>> [image: Screenshot 2023-09-19 at 10.59.05 PM.png] >>> >>> I reached out to Dia Compe in Taiwan about spare parts. They replied >>> quickly but said they could not send me any bits and pieces and suggested I >>> contact Rivendell. >>> >>> So I wrote to Will Keating at Rivendell, who's a wonderfully helpful and >>> nice guy and a friend and he said he'd send me some parts. Well, they >>> arrived today and they're *brand new* Silver 2 levers. I really don't >>> want to destroy brand new shifters to revive old shifters! I'm sure the >>> pawls I need are inside but I can't bring myself to tear them apart. >>> They've very definitely never been installed on a bike. >>> >>> I have found some replacement springs from McMaster-Carr >>> <https://www.mcmaster.com/9657K257/>. They're heavier gauge wire and >>> slightly longer than the stock springs from Dia Compe. But they fit and >>> they work. They do result in a lever with heavier action but they do not >>> make the lever difficult to operate. >>> >>> My plan, once I locate some pawls, is to make a Silver shifter repair >>> and maintenance video. I hope that with donated parts from other members I >>> can fix Pam's shifters, show the process of disassembly, repair and >>> re-assembly and share it with the group (and the rest of the web). I'll >>> include a detailed look of the proper order for all the bits and how the >>> get the shifter closed back up. >>> >>> Thanks in advance! >>> >> -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/rbw-owners-bunch/19b12cc0-6e47-4643-9aea-752ca7d4d617n%40googlegroups.com.
