This rim is built specifically for the rigorous demand a unicycle puts on a rim. Its the same rim as the double walled eyeletted alloy rim used on the Nimbus Trials unicycles. Compatible with 20 x 2.5inch trials tires. 42mm across.
Should you want to build the wheel, here is a link to the Spoke Calculator so you can find the correct spoke length you need.
Our bomb proof 19" trials rim.
Spoke Holes: 36
Size: ISO 381mm
Material: High Quality 6061 heat treated aluminum with box section
Finish: Black anodized with no braking surface
Nipple Eyelets: Stainless Steel