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Re: Interesting bike-in-the-hedge ramble. But you can't list the '87. You just said it has a cracked chainstay. And I'm pretty sure that Hardrock in the picture is an '88. Different decals on the '87.

Re: Yes, 36h and 3 cross. I noticed the rim has offset spoke holes, but it won't affect the spoke length i've read. The only 8s STX hub I could find numbers for was the silent clutch model which looks like a different shaped hub shell. All this to replace a split Mavic X517 which seems to...

Re: Thanks for the suggestion....From images on the web it looks similar to some other 8s parallax models which all have varying flange-centre dimensions, but doing as you suggested and running them through the calculator, the resulting spoke lengths all come out to within about half a mm on...

I want to build a rear wheel with an Araya RM-20 rim (ERD 547mm) and Shimano STX-RC 8 speed hub (model # MC38a), however I can't find any info online for the hub's left and right flange to centre spacing. All that's available is for the 7 speed MC33 hub. I need to order spokes fairly soon and...

Re: Thanks raidan, but that's actually an '88 model that you've linked to. It has the zebra like, crackled black on white paint job rather than the granite grey of the following year. The difference is not obvious from a distance. The corresponding page of the '89 catalogue is posted somewhere...

Re: Okay, found an example. I think you're right about Mountain LX, and looks to be an MT-60 crankset, and either Mountain LX or MT-60 shifters. Doesn't seem to have the RM-20 rims though. Still it would have been good to find details of STA / HTA and other dimensions just for the record...

Re: 'the colourway'..........what's that?

Re: About a year ago I was searching for it and came across a post in a forum with a link to just the Karakoram page of the 1989 catalogue, but now can't find it again (should have bookmarked it). Specifically I was wondering what components were on it. I recall it may have had a Suntour...

Can't seem to locate the 1989 catalogue, can anybody tell me where to find it? I have an '89 GT Karakoram frame and fork and would like to find out the original specs. Thanks, AnJ

Re: That looks fairly similar to a late 80s Centurion MT-1500. Probably from the same production line...

Re: That's a great base for a MTB tourer. I have the same seatstay mounted U-brake on mine, and they are powerful stoppers with the Koolstop mountain pads. Another vote for racks and panniers. You can balance out the load a bit with a half-sized top tube mounted frame bag. Maybe a set of...

Re: Not sure about CX. I thought they used mechs for compact road doubles, but could be wrong. I was planning to use a Tiagra 4503 triple fd which worked well on another conversion. It will work with a 47.5mm chainline if you use bar end shifters, but STI shifters don't seem to hold the same...

Re: Can't seem to find anything about this on the CTC Shimergo site. Would you mind providing a link please? Also, are you sure the 122.5mm BB used for many of that era cranksets is symmetrical? Reading elsewhere that spindle is longer on the drive side. One way is to just test various...

Re: Better shifting because it brings the chainline in to be compatible with a road FD which you must use with STI road shifters. They like about 45mm, not so much 47.5mm and definitely not 50mm. I think the idea is to find one that is not so short as to create chainring to chainstay...

Want to use a shimano fc-mt60 triple crankset with STI for drop bars and road triple FD on a steel frame MTB. Nominal spindle length for this crank is 122mm. Would that be symmetrical spindle? Can I use a shorter spindle BB to bring the crankset in a few mm for better shifting while still...

Thinking about upgrading a 1980s road bike (126mm oln) from 5s freewheel, friction shifting, to a Shimano 600 6s wide-range freewheel. Are there any shifters that will index this 6s freewheel? It's a non-index freewheel, but I have read elsewhere that the cog spacing on the pre-indexing Shimano...

I have a Shimano UN-51 BB in 113mm x 68mm, but I've lost the adjustable (NDS) cup for it. Are these cups interchangeable with other similar BBs? The original cup was steel, I might be able to find a spare plastic one off an old shimano BB. What are the chances one from another BB will fit? AnJ.

Coyote (California based, they were around in the late 80s, early 90s).

I have a 1989 GT Karakoram with an unusual 1" threaded headset. Both upper and lower races and cups are inverted. I mean the bottom cup is pressed onto the fork crown, the lower race is in the bottom of the headtube and the top cup is pressed in the top of the headtube. The upper race threads...

Thanks Andy!