Last of the lugged Trek MTBs - 930 project
06-17-17, 08:14 AM
#77
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A Trek 930 is the only bike I've ever sold. I paid $25 and converted it to a single speed. The Imron paint was nearly flawless. A guy offered me $300 for it and I took it.
06-17-17, 09:03 AM
#78
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I regret not picking up a perfect condition Trek 990 Singletrack at a garage sale for $50. But I did grab the '83 Trek 620 next to it for the same price. Perhaps I felt bad about hogging all the nice bikes.
06-18-17, 11:02 AM
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Gah! I JUST missed out on a '92 Trek 950 in minty shape and a the largest size, 21". It was going to be a drop bar blaster for these construction roads!
I've got a Marin Bear Mountain in my correct for off roading size, 17". I'd need a larger size for a road bike conversion, right?
I've got a Marin Bear Mountain in my correct for off roading size, 17". I'd need a larger size for a road bike conversion, right?
06-20-17, 08:21 PM
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06-20-17, 08:33 PM
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Found a donor and an XT conversion is partially complete - pedals, crank, rd, hubs. Need to locate an M735 top pull FD and second set of XT cantilevers.
Last edited by 9volt; 06-20-17 at 08:38 PM.
06-20-17, 08:38 PM
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06-20-17, 08:49 PM
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Sweet build @TenGrainBread
06-20-17, 08:57 PM
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I think it may be difficult to find a shimano square taper replacement that will work so was curious.
I have a trek 950 I'm rebuilding and the longest available shimano sealed BB (122.5 73 mm) isn't quite long enough for the deore crank that came stock on the bike.
I have a trek 950 I'm rebuilding and the longest available shimano sealed BB (122.5 73 mm) isn't quite long enough for the deore crank that came stock on the bike.
Last edited by bikemig; 06-20-17 at 09:04 PM.
06-20-17, 09:21 PM
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You can find ~127mm spindle Shimano BBs online. As long as you're within a few millimeters shouldn't affect chainline too much.
06-20-17, 09:26 PM
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I do not believe you can get a 127 mm shimano sealed square taper BB for a 73 mm bottom bracket. I haven't looked around for a 127 mm spindle for a cup and cone but yes they are available even if the stock must be dwindling over time. Also I think sunlite has a sealed BB at the right length as well.
06-21-17, 07:32 AM
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Love! I converted my 90' 930 into a drop bar conversion. It was my main bike for quite a while. I really wanted a Trek Hybrid and originally built it up to mimic one. But soon as the vintage road bike bug bit me it converted it. I haven't ridden it that much but she is one of my favs.
Heres how she sits now:
the rest of the album with her various configurations
Heres how she sits now:
the rest of the album with her various configurations
Likes For GordoTrek:
06-21-17, 07:54 AM
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Thanks, it was my first foray into powder coating a bike. The original paint was in rough shape, it was all black with teal trek graphics. Not bad, but I wanted something original, so I found a color I liked, "Steel Grey" and I ordered the vintage trek downtube logo from Velo-Cals, I made sure to get the clear backing so the decals look legit.
06-21-17, 09:11 AM
#91
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I do not believe you can get a 127 mm shimano sealed square taper BB for a 73 mm bottom bracket. I haven't looked around for a 127 mm spindle for a cup and cone but yes they are available even if the stock must be dwindling over time. Also I think sunlite has a sealed BB at the right length as well.
06-21-17, 09:34 AM
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I'm not saying you don't have one, but it is not common to find a steel bike of that era with a 73mm bottom bracket shell. I would check, and re-check that it is not a 68. Or, I would find a shop willing to face it down to 68mm, which is only 2.5 off each side...and being steel, well within the abilities of the common facing sets.
04-20-18, 06:36 PM
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Just picked up on this thread - very helpful as I just picked up a VGC '93 Trek 930 frame (w/Deore LX crank & cantilevers and XT front derailleur) for $25.
05-21-19, 02:06 PM
#95
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Well, I was going to post a photo of the bike frame I found in the dumpster while dumpster diving this weekend but the forum wont let me. Anyway, thanks for the thread. I will be using it as a reference while building the trek singletrack 930 I pulled from the dumpster into a gravel/touring bike for next years Landrun 100.
05-23-19, 10:50 AM
#98
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Ok, roast me if you need to but I am a complete novice at bike building and trying to find a starting point with this frame and fork. I guess I will start with the headset. What size do I need for the 930?
05-23-19, 11:40 AM
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Depends on the year. My 1993 used a 1 1/8" threaded headset. Go a few years back and it's 1" threadless. A few years forward and it's 1 1/8" threadless.
05-23-19, 12:11 PM
#100
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Ok, Cool! Looks like it is 1 1/8". I took the headset of one of my 70's road bikes and too small so definitely lookin at 1 1/8".
