Ceramicspeed OSPW System

[Shane4XC]

So I purchased a used Ceramicspeed pulley arm because I needed to replace mine anyway, and it was the same cost. I was thinking I could throw any old oversized pulleys inside, unfortunately there were two issues with this:

It looks like the pulleys only fit if they do not have the end caps on. Which I think is fine, but then when I take the caps off the bearing hole is too big for the interface. I figure the easiest way to address this is to get new bearings with an inner diameter of the Ceramicspeed interface, and an outer diameter of the pulley… and a width that matches the current pulleys width.

Am I tracking this correctly? The good news is the AliExpress bearings don’t look sealed… so will be good to replace them anyway

[jdp211]

Why not just get the correct pulleys from Ceramicspeed?

[Shane4XC]

Originally Posted by jdp211

Why not just get the correct pulleys from Ceramicspeed?

Not looking to spend $400 on pulleys that have no functional benefit. I already have the oversized generic pulleys, might as well just replace the bearings for $30-40 and end up with the same functional outcome.

[Shane4XC]

For any future blokes in the same position, inner diameter is 7mm. Width is 5mm and 17mm outer diameter for my generic pulleys. Fit like a glove

Picked up a couple Acer Racing ceramics for $20, we will see how they last.