I am new on this forum, and I was unable to find anything on it which would answer my questions.
I am from Canada and I want to order an ISIS hub with disc mount that will fit my unicylce frame, or if that is not possible, perhaps one without a disc mount.
I have a 27.5" QU-AX aluminum QX series unicycle which has a bearing mount that is 6mm in width beyond the bearing. It does not fit my son’s mad4one unicycle wheel.
Just so I can ride it right now, I have taken an old hub from a garbage unicycle that I broke the frame riding - it is a cotterless one. Now, the bearings are only 40mm diameter, so I have had to shim that up a bit. I cut out strips from a tin can to get the old bearing to about 42mm, the size of my new unicycle frame. Not sure about how good a solution that is, as it is not exact. Hmm, that is part of why I want to get a new hub.
I don’t find manufacture’s / sellers specification’s to be exact enough that I feel comfortable ordering a hub online hoping that it will fit my frame. For instance, I don’t understand what is meant by the dimensions that one online unicycle sales company posts about the Nimbus Minu Disc 36H hub => Hub flange width (W) Disc side =31 Non Disc side 66mm.
I know I could probably simply just buy a Q-Axle hub, but an ISIS hub gives many more pedal options.
From looking around online, I have noticed that an impact hub might work, and the old mad4one tecnic hub, no longer for sale as far as I can see, might possibly work.
I am thinking I might buy a QX ISIS hub with 48 holes and lace it up to a 36H rim. The reason being that I would expect a QU-AX hub should fit a QU-AX muni. By the way, … I have built a few wheels, so I think this would work just fine … calculating spoke lengths may be a bit challenging though as I expect there may be several lengths needed.
I could potentially file the unicycle housing so that a hub like my son’s mad4one fits, but I kinda don’t want to do that to a new uni frame - I might destroy it while trying to shave off a few mm, and it might weaken something even if I was quite successful.
Anyway, I appreciate any feedback any of you have with respect to:
- getting more detailed specifications on hub dimensions so I don’t end up ordering something I cannot use
- if you know for a fact that a particular hub will fit my uni and it is possible to buy it online
- any advice about calculating varying spoke lengths for a mismatched hub / rim combo
Thanks for any information to help me figure out what kind of hub I could buy for my unicycle frame.