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Shimano Alfine diagnostics

Old 11-26-20, 08:46 PM
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Propjo
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Shimano Alfine diagnostics

Hi I was wondering if anyone has experience with Shimano Afine hubs? I found this wheel in hard rubbish and was considering trying to install it on a bike. Here Iíve got it mounted on my Kona sutra with the chain running through the derailleur. The wheel seems to turnover okay when I pedal the cranks and isnít noisey at all, but I donít seem to be able to change the gears at all by pulling the lever that the cable would usually activate. I understand these have years required dedicated shifters and donít work with the usual Shimano indexing system. Is there some way of determining whether this hub is stuffed or whether it may be resurrected bull, without spending too much money? I was hoping not to have to invest in a shifter if itís not worth while because itís damaged etc. any advice would be much appreciated!
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Old 11-26-20, 09:35 PM
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Nexus/Alfine hubs require precise adjusting of the selector lever, the cable pull is critical too. I don't know how you can check that hub without a dedicated shifter. A Revoshift is around $20 IIRC.
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Old 11-27-20, 12:00 AM
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Originally Posted by Reynolds View Post
Nexus/Alfine hubs require precise adjusting of the selector lever, the cable pull is critical too. I don't know how you can check that hub without a dedicated shifter. A Revoshift is around $20 IIRC.
thanks for your reply. I canít find any revo shift that is Alfine specific. The only Alphine specific ones are rapidfire theyíre a lot more expensive. I wonder if I can put my do your bar and shifter take it out of the indexing position to continuous, just to see if I can get the gears to change. I know very little about these hubs but I understand the regular shimano Sis shifters are incompatible and presumably run at a different tension.
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Old 11-27-20, 06:27 AM
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Originally Posted by Propjo View Post
thanks for your reply. I canít find any revo shift that is Alfine specific. The only Alphine specific ones are rapidfire theyíre a lot more expensive. I wonder if I can put my do your bar and shifter take it out of the indexing position to continuous, just to see if I can get the gears to change. I know very little about these hubs but I understand the regular shimano Sis shifters are incompatible and presumably run at a different tension.
​​​​​I assumed your hub was 8 speed - if it is, you can use a Nexus 8 shifter. There are 2 types of hubs/shifters, one with low normal, the other high normal. As long as they match, Nexus 8 works on Alfine 8.
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Old 11-27-20, 01:24 PM
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I think you have probably done enough to show there is something wrong. One interesting question: are the sprocket and hub rotating at the same speed? If so, it might be an indication that the mechanism has seized. In any case, your next step should probably be to clean and re-lubricate. I think there are descriptions on the web of how to do that without buying Shimano's special-purpose oil. That would probably be the best next step even if it seemed to be working ...
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Old 11-27-20, 04:13 PM
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Thanks guys!
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