You’re the best @akhlut
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Is it as simple as the friction inside the wheel and the belt stopping the pulley from falling off and not being centered?
I’m running my single drive without the tall bearing and its working fine so far, although Jared suggests having the tall bearing in. It’ll help with it staying center.
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OK.
Surf Rodz peeps, check it!
I’m loving these pulleys! But, I can’t use them the way they were designed to be used, so I’m going my own way here.
I went and inserted a pair of 6000 (10x26x8) bearings into the modular hub, but they are a little loose.
Damn! 0.2mm difference!
I think to myself, ‘Need to affix them in there for moar supports!’ so I order some loctite 660. I wait, build batteries, machine aluminum, etc.
In the mean time I’m ordering from McMaster-Carr and I start poking around and stumble on this:
Shim Stock?!?! YES PLEASE! Prayers answered! So I order and it shows up.
So I snip some off (16mm wide by about 81mm)…
…and insert it into the hub.
Sweet! Now to press in the bearings!
Fit is snug, not tight. Honestly, I may hold off and order this just to try and get a slightly tighter fit.
Also, it’s going to need a 6mm spacer between the bearing in the wheel and the bearing in the hub.
The saga continues, but miles closer to a (hopefully) great fit for Surf-Rodz! 
Thanks for making these pulleys @jlabs!
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Good stuff. Didn’t think these would be so much work to get to work. But they are really nice.
10.2mm ID x 6mm spaxers
http://www.aluminumspacers.com/spacers-by-metric-hole/10mm-hole/mas16-10-2-6
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thank u for all the
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Don’t get me wrong. They work out the box for the 8mm crowd, but those 10mm axles change everything. And if you’re going to do it, you might as well make it as extra as possible.
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I’d prefer to stick with my 10mm for sure.
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i was messing around some more with these pulleys last night, trying to get them to work on SRz rkp + psycho quick mounts and i’m beginning to think they’re simply incompatible.
@akhlut have you had any luck?
Ugh… not what I was hoping to hear. Wonder if they will work with the SR tkp trucks…
what size axles are you using?
80mm
should i try sourcing 90mm?
what are the axles even called…?
oh wait, look at this
goddamn it’s an extensive writeup, thanks!
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I typically use 80mm, stock is 70mm. @psychotiller has 90mm axles, at least he did a while back.
Here’s info on 80mm & 100mm, I didn’t see any 90mm available.
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tomorrow. will advise.
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also, 90mm is the way to go.
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To anyone using these , use a clamp or press to make sure that fucker is in
You can test if it’s fully flushed by putting it on the axel , ensureing it’s secured by the speed ring before it and nylon locknut after it. Spin it and if the pulleys spin is like a parabola (I don’t know the proper name for it) then on part is not fully flushed.
To make mine flush with a clamp I put small wood that covered the pulley (but not the wheel since the wheel was taller than the pulley) and clamp that fucker straight to hell. After that , a super nearly perfect spin
ok. here’s what ive come up with.
insert a 1/4" high 10mm ID spacer between the wheel bearing and the two bearings inside the hub.
add a third bearing into the pulley
and secure the pulley to the hub.
screw this assembly into the hanger.
this needs 90mm axles. fit is perfect. and having that bearing inside the actual pulley is super sweet.
Also, I made 2mm spacers, but I fucked up an operation in the CAM and all the holes were 0.5mm too small. FML.
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