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It's best not to copy the entirety of previous posts, Rob. Anyone reading this discussion has already read what I wrote. Just edit out the pertinent section, e.g. I can be absolutely certain that the internal components of the two different fork systems are NOT the same. I have both in the shed and ...

It's still not really clear to me that the difference between the pre- (31 42 2 000 376) and post-09/1980 tubes (31 42 1 241 655) are. OK, thanks to Euro Moto Electrics (EME) , I've found out one possible difference. Although the basic dimensions are the same, the pre-09/1980 376 tubes have two hol...

The fork was completely redesigned for the 1980 year ... But they weren't "completely" redesigned. The pertinent dimension remained the same, the yokes and stem remained the same, the internals remained the same ... as far as I can see, all that happened was the outside of the castings wh...

Similar/same but I find it easier to use...less pop adverts. Hear you on that. It seems to be a new thing they've just enabled, huh? I don't remember it happening before. Has anyone ever put up just a part number search, i.e. for backwards compatibility? I see it actually lists the fork tubes as 35...

Yes, I only have access to Real OEM but the danger in working off obsoleted or non-updated systems is that they won't have the supersessions, e.g. from the examples you refer to; '31429062419' Stanchion (04/09/1990 — 06/07/1991), superseded by '31421241655' (09/01/1980 — 12/06/2022), exchangeable re...

I think you're misreading the Parts Fiche. I read, and copy and pasted accurately, from the Real OEM parts fiche, which I linked to above, i.e. the pages linked to from here . Where is the link you are using? Often, when relating to components, there are small changes that require different numbers...

In all cases, the forks legs (icluding sliders) are different both externally and in internal components. You can't intemix parts. According to the parts fiche , the fork tube or stanchion is 31421241655 (superseding 31429062419) and is found on the following vehicles: R 60, R 75 , R 80, /7, RT (76...

My old 1984 Ex Police R80 with twin Brembo brakes. Thanks. Nice full front mudguard ... Yes, that's the set up basically. So far I've been told that they also did an R100TIC with spoked wheels for the Police too, although; a) they're rare ... if there's any original survivors left at all (9 licence...

I'm afraid this needs a lot more research and a realistic approach to what you want to achieve. A few things you need to take into consideration... 1) The Monoshock for stanchions ... Thank you for your reply but just to be clear, I wasn't thinking of the monoshocks but, e.g. the later R-series twi...

Hi, I'm guessing this has been discussed before but can't find it ... I'm looking for the simplest front fork/brake upgrade for an early 1980 R80TIC with spoke wheels and ATE calipers. Preferably stock BMW parts. Can anyone point me to where it might have been discussed or documented already? From t...