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forum
RS505 shifter nameplate screw stripped
At weekend I removed the nameplate screw on left Shimano RS505 shifter to inspect the cable guide. Shifting was a little bit sketchy and have had experience with cable cutting through the guide (and shifter housing!) on a previous set of these shifters (https://forum.bikeradar.com/discussion/13089841/rs505-cable-guides-a-cau...)
When I came to re-attach the nameplate, the litte screws that hold it in place just wouldn't bite. I've removed the nameplate on the opposite side and tried those screws and still wouldn't work. Managed to fit the screws without nameplate in place, so thinking the last mm or so of the housing might have been stripped.
Especially annoying seeing as this is the first time I've removed the nameplate since they were fitted in Dec 19.
Nameplate in question - https://www.sjscycles.co.uk/gear-spares/shimano-strs505-name-plate-left-...
What are my options? Slightly longer screws (what size would I need)? Carefully drill out some of the nameplate material where the screws sit?
I had planned on replacing these down the line with R7020 because of my previous problems, but looking at over £500 for shifters and calipers which is a no go!!!
Any help much appreciated, cheers
If you're new please join in and if you have questions pop them below and the forum regulars will answer as best we can.
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3 comments
Disclaimer: I'm not familiar with that shifter, but... A general engineering fix that may work well enough is to fill the hole with epoxy, and screw the screw in before the glue is fully cured. The hope is that the resin forms a thread around the screw, and the bond to the metal is not strong enough to keep the screw glued in permanently. You also need to be wary of using too much glue and hence bond in parts that are not supposed to be permanently joined. Hot melt glue might also be good enough.
You need to be comfortable with the risk that the bond is permanent.
If it helps you don't need to change callipers and shifters at the same time. Nearly all Shimano callipers are interchangeable. Even between road and MTB assuming you can mount them to your frame. Road shifters should use the road hydraulic line and MTB their matching lines but that it.
FWIW I've got the same shifters (and had the same problem with the cable eating through the cable guide and into the rachet) and after dropping one of the nameplate screws (not on the side that ended up breaking) used it with just one screw and had no problems - never came loose etc. If one of the screws is still biting you should be okay