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1990 Miyata Triple Cross - Rebuild or Replace

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1990 Miyata Triple Cross - Rebuild or Replace

Old 10-06-16, 09:37 AM
  #1  
yvrdc
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1990 Miyata Triple Cross - Rebuild or Replace

Hi, long time lurker, first time poster.

My wife and I are getting back into riding our singles instead of our tandem. I'm looking for a bike for my wife that can handle gravel paths, but is also ok on the road. Also, something that has a stable geometry so that she doesn't have to concentrate on keeping it going in a straight line. She is also jealous of the brifters on my bike and wants some for hers.

We live in Vancouver, which is hilly, and we're over 50 so we need granny gears. Others might not but a man's gotta realize his limitations.

Her bike is a Miyata Triple Cross, circa about 1990. It came with flat bars, but we had the bike shop convert it for drops. It has cantilever brakes.

I have a decent knowledge of bicycle mechanics. I have torn my single and our tandem down to the frame and rebuilt them a couple of times, but it has been a long time and it seems like a lot of things have changed. But, I think I am capable enough to replace the drivetrain on her bike myself. Wheel building I would probably leave for someone else.

So, my question is, is it worth trying to replace enough drivetrain components to get modern index shifting, or would I be better off just buying a new bike? Are there bikes out there which are so much more comfortable that it would be worth the upgrade? I know that one's very subjective, but I'm wondering if there is a lot of improvement to be had.

Thanks for your help.

Dennis
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Old 10-06-16, 10:30 AM
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I'd fix this bike up. It's a really fine bike for your intended use and getting the bike to index properly will be a non-issue. You can run either brifters or bar end shifters with the drop bars. This is a fine machine and well worth keeping unless you really have your heart set on a new bike.
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Old 10-06-16, 10:56 AM
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Welcome to the forums!

A Miyata TripleCross is a fine bike and well worth saving.

Be prepared to spend a minimum of $150-200 if you plan to use brifters. You'll need a new hadlebars,tape,brifters (new or used?), cable and possibly a new rear cassette and deraileur. If it is only 7 speed on there now you will need these https://www.amazon.com/microSHIFT-Sh...QP0ET6B8P0MVA7.
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Old 10-06-16, 11:04 AM
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A great sleeper bike. I converted my singlecross and it is an excellent commuter but have also ridden it trails pre conversion. I went for bar end friction shifting so I could run any type of derailers, but a modern build should work fine too. The bike is worth saving for sure. I still run the stock derailers, bb, headset, seatpost but all else has been swapped. Since the conversion pic I have swapped crank + wheelset.

as found


converted
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Old 10-06-16, 11:50 AM
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Absolutely keep the Miyata and update it.
You will have exactly what you want for significantly less money. If you were to spend $500 updating/grading the Miyata, you would have something with component quality that would blow away a $500 retail bike.

The only reason I could think to not update it is if the fit was no longer good(due to age, injury, etc). If the frame fits, its worth keeping.
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Old 10-06-16, 12:52 PM
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^^^pretty much everything mstateglfr said, especially about putting that money into a parts upgrade (like brifters). I'll also add that matching the quality of a Miyata frame with something built today would require a fair bit of dough. Namely because few mainstream bike companies today will offer the same level of attention to steel frame construction that Miyata did at that time. Keep it and ride it!
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Old 10-06-16, 02:20 PM
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Thanks guys. I'm convinced. It is a 7 speed. It has bar ends, but my wife wants brifters. So it sounds like I need the micro shift 3x7 levers that Kobe linked to above. Is there another option I should also be considering?

Do you think I will also need to upgrade derailleur & rear cluster? The existing derailleur is an Exage 300 LX. Is it safe to assume front crank & derailleur are ok? They still work fine.

Thanks for your help.

Dennis
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Old 10-06-16, 02:28 PM
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These are shimano indexing derailleurs so they will index with shimano compatible brifters as well.
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Old 10-06-16, 03:12 PM
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The Exage 300 derailleurs will be perfectly fine to keep.

If your wife wants more gears and the current wheelset is not doing well, you could buy a good prebuilt wheelset for $200 or less, add an 8, 9, or 10 speed cassette, and get matching STI shifters.


But you could probably more than get by with the Microshift 7sp brifters, a new chain, drop bars, some new bar tape, and cleaning then packing the bearing points with new grease and that wouldnt be much in terms of investment.
Bars can often be purchased from a bike shop for $20-30 or so which are pull offs(they were pulled off a different bike and havent been used, but also arent new). Everything else could be purchased on Amazon or elsewhere for $125 or so total.

Again, thats assuming you dont want to do a new wheelset and more.
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Old 10-07-16, 05:29 AM
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Don't forget to post pictures when you are done. Conversions are always interesting to me and your Miyata should be a nice one.
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Old 10-07-16, 10:54 AM
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Originally Posted by Kobe View Post
Don't forget to post pictures when you are done. Conversions are always interesting to me and your Miyata should be a nice one.
Thanks, will do. Don't hold your breath though. I just ordered the shifters and Amazon expects them to arrive sometime between Nov. 3 and 22.
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Old 10-07-16, 12:08 PM
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Originally Posted by yvrdc View Post
Thanks, will do. Don't hold your breath though. I just ordered the shifters and Amazon expects them to arrive sometime between Nov. 3 and 22.


Welcome! A little unsolicited advice: Amazon's prices on bike parts are not usually competitive; it pays to shop around.


Would like to get my hands on a triplecross as a commuter/bikepacking rig someday. Sounds like a fun project!
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Old 10-07-16, 02:06 PM
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Originally Posted by yvrdc View Post
Thanks, will do. Don't hold your breath though. I just ordered the shifters and Amazon expects them to arrive sometime between Nov. 3 and 22.
Ha, I am guessing you got the 7sp Microshift brifters? On Amazon, ive seen they sometimes ship 2 day prime and sometimes ship from Taiwan.
When I have gotten Amazon bike stuff from China and Taiwan, its taken a week less than the low end of the estimate almost every time. Hopefully thats the case for your shifters.
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