Nexus Inter-7 SG7R46 Hub - Joint Fixing Ring Comes Loose
01-15-11, 10:16 AM
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Nexus Inter-7 SG7R46 Hub - Joint Fixing Ring Comes Loose
After I install my Cassette Joint to the Hub by turning the Fixing Ring clockwise 45 degrees, everything works OK.
After a while (lots of shifting), however, the fixing ring manages to come loose, which results in the cassette joint becoming detached, and I end up driving the bike home in first gear.
Is anyone familiar with this problem and/or know how to fix it it?
After a while (lots of shifting), however, the fixing ring manages to come loose, which results in the cassette joint becoming detached, and I end up driving the bike home in first gear.
Is anyone familiar with this problem and/or know how to fix it it?
01-15-11, 11:18 AM
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Hi welcome to the forums. I have a Nexus 8 and while I don't have many miles on it I never had any issues like this.
if you don't get an answer here soon try this group. https://groups.yahoo.com/group/Geared_hub_bikes/
if you don't get an answer here soon try this group. https://groups.yahoo.com/group/Geared_hub_bikes/
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk
01-15-11, 04:38 PM
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I have had this happen on my Alfine hub (same cassette joint and fixing ring as Nexus Inter 8). I believe the problem on my bike was caused by grit and contamination causing friction between the fixing ring and the moving parts of the cassette joint. I disassembled, cleaned, applied a few drops of oil, and reassembled my cassette joint assembly and I have not had a problem since. However, I have not ridden the bike as much since the repair due to winter, so it might just be waiting for more riding to fail again.
01-15-11, 07:10 PM
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Thanks for the replies. The Joint Fixing Ring seems to be made of something other than metal and may be worn. I put some aluminum foil behind it to make it extra tight when rotated 45 degrees to the right. If that doesn't work, I will try LarDasse74 suggestion and clean and lube. I also ordered a new joint and ring (CJ-NX10) from Amazon just in case other solutions don't work.
