I’m a machinist so I got the right tools. I was looking at treatland for parts and they generally list two numbers .
Like 90x20mm
I assume the 20mm is thickness. What got me confused is the 90mm number is that the id of drum on the wheel?
I’m a machinist so I got the right tools. I was looking at treatland for parts and they generally list two numbers .
Like 90x20mm
I assume the 20mm is thickness. What got me confused is the 90mm number is that the id of drum on the wheel?
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