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Sugino Super Maxy - TA Pro Vis clone axle length

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Sugino Super Maxy - TA Pro Vis clone axle length

Old 11-09-20, 03:04 PM
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VintageRide
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Sugino Super Maxy - TA Pro Vis clone axle length

I installed this crankset on my 1981 Fuji, they have double chainrings and from what I understand the original T.A. road double would use a 120mm axle. Currently using a Shimano 115mm sealed bottom bracket and wondering if a 122mm would be appropriate. At the moment the chain line is a bit extreme when using the 34T inner and the last two small cogs on a Shimano 11-34T 9 speed cassette.


I have an 8 speed 11 - 32T cassette which I think would be a better setup as the rear derailleur is a mid '80's Shimano Mountain AR11, the intention is to use Suntour Power Shifters and a pair of Tektro brake levers as at the moment shifting is via Campagnolo 10 speed Ergos which of course worked well enough with a 9 speed derailleur, Shift Mate pulley and Sugino XD 600 crankset. I just prefer the more vintage components although shifting onto the 48T large chainring is a bit tricky at the moment, a 7/8 speed chain would most likely help compared to the current 9 speed chain.


It does work well enough when using the 48T and I think the increased chain tension is helping in that regard.


I do get bothersome chain skip on the 34T chainring, mostly in the two smallest cogs and at times between shifting other cogs as well so not ideal. In another thread it was mentioned that the older Shimano derailleur is not designed to work too well with the narrower chain or even a small cog such as the 11T, it is much better but not perfect on the 13T.



Looking at using the Tektro RL340 brake levers unless anyone has other suggestions but they look alright with gum hoods and at 25.00 for a pair a good deal.










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Old 11-09-20, 04:23 PM
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Is the Sugino a true clone? The TA double spindle is the 344, which is listed at 118.5 mm in length, per Shledon's database - https://sheldonbrown.com/bbsize.html.
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Old 11-09-20, 04:52 PM
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Sugino MW-68 double axles measure 113mm. I suspect you could fudge it a millimeter or so in either direction.
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Old 11-09-20, 05:37 PM
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Well I could measure to be certain as I have a T.A. Pro Vis triple on another bike and that uses a 127mm Shimano sealed bottom bracket. The crank arm bolts are right up to the bottom bracket, apparently the chain rings and arms are interchangeable with the same bolt pattern. Just looking at the chain line tells me it needs to be out further which is why I mentioned the 120mm. I have read Sheldon's information and 120mm has also been listed elsewhere.
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