On 4/6/2021 5:59 PM, AK wrote:
I have a 26 inch MTB.

I am thinking of converting the rear to disk brakes.

What kind of rim would I need?

Thanks.


Doesn't matter.
It can be a 'rim brake rim' or a 'hub brake rim'.

What you do need is a different frame.
And then a disc hub, rotor, caliper, lever.

--
Andrew Muzi
www.yellowjersey.org/
Open every day since 1 April, 1971