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Tagaki Tourney XT or Sugino AT Crankset

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Tagaki Tourney XT or Sugino AT Crankset

Old 02-27-18, 11:23 AM
  #1  
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Tagaki Tourney XT or Sugino AT Crankset

Hello everyone,
I'm known as budzos and I am currently building up a Trek 720. I have a choice of a Tourney XT crankset or a Sugino
AT at the moment. The bottom bracket spindle I have available is a 3RR-B. Both cranks have plenty of frame clearance with the 136mm spindle but is that a bit excessive? I would love to find the correct spindle for the AT's but they seem to be pretty rare.
Trying to do this project on the cheap side until I am sure that my son will be comfortable riding it.
Thanks in advance,
budzos
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Old 02-27-18, 12:00 PM
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The OEM spindle for the AT was the 3U or 3U-B. It is only 1.5mm shorter on the drive, which is very close. However, it was also asymmetrical and is 7mm shorter on the non-drive side. Pending finding a comparable assymetrical spindle or a symmetrical 3X/3X-B, what you have is quite good.
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Old 02-27-18, 12:10 PM
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Thanks for the reply T-Mar. Using that spindle would save me the price of a sealed bottom bracket.
Do you know what be the optimal spindle for the Tourney XT. It came on an old Stumpjumper that I believe had a 70mm spindle?
Not sure but I think it was an MT-70 spindle.
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Old 02-27-18, 12:14 PM
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Cold-Forged is better.. not so much brand, but processes used to make them..
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Old 02-27-18, 12:25 PM
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Hello fietsbob, I was under the impression that both cranksets were cold forged.
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Old 02-27-18, 12:30 PM
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Originally Posted by budzos View Post
Hello fietsbob, I was under the impression that both cranksets were cold forged.

budzos
The Suguino probably is but the Tourney certainly is not. That said, for your current needs the Tourney is more than adequate.
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Old 02-27-18, 11:30 PM
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Thanks for the verification on the cold forging n0+4c|u3.
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Old 02-27-18, 11:49 PM
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Here's a 3-U. I can't attest to overall quality, but I've used them on flip bikes.
Husky Bicycles Bicycle Crank Spindle N-3U L35 C52 R40.5
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Old 02-28-18, 12:00 AM
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Originally Posted by n0+4c|u3 View Post
Who said anything about cold? they might be, or they could be melt forged, or hot forged
When doing a search on the cranks I did find a few older auctions that did state that the cranks were cold forged.
I know that is not a 100% confirmation but I will use them on some project down the road anyway.
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Old 02-28-18, 12:03 AM
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Thanks for the link Bill Kapaun.
For the price if it doesn't work out I can throw it in the parts bin and buy 1 less beer.
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Old 02-28-18, 12:18 AM
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Originally Posted by budzos View Post
Thanks for the link Bill Kapaun.
For the price if it doesn't work out I can throw it in the parts bin and buy 1 less beer.
budzos
I bought a few pairs several years ago because they were cheap.
Just for "flip" bikes, so I have no idea about long term quality.
It was pretty much those or nothing for some of those OLD cranks that are in the "pile".

They do have kind of a heavy "oxide" finish, so you might want to clean & re-grease after a few miles. I don't know if the stuff is heavy enough to "chunk off"????
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Old 02-28-18, 07:28 AM
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Originally Posted by n0+4c|u3 View Post
Who said anything about cold? they might be, or they could be melt forged, or hot forged
Isn't "melt forged" a marketing euphemism for "cast"?
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