Right size rim tape when converting MTB to tubeless

reno_queen

I've recent bought a new MTB and I'd like to convert it to running tubeless. It's a Cube Attention , and from what I can see about the wheel specs , it is capable of running tubeless and has an internal 20 mm rim. My question is, how accurate does the size of the rim tape need to be to the inner rim? I was looking at buying a Muc-Off Tubeless Kit and the rim tape comes in different sizes: Road/gravel/CX with shallow rims (44mm tubeless valves...

Originally asked by GrandMasterFlush on Stack Exchange (bicycles) (CC BY-SA 4.0).

uphilltech

Great question — answering as the UphillTech team:

If you look at a particular manufacturer's lineup, you will see that they recommend their 23 mm tape for a 20 mm rim (inner width). This is because the curvature of the centre channel in the rim will take up some extra. https://www.dtswiss.com/en/components/wheel-accessories/tape

Full answer by g.kertesz: https://bicycles.stackexchange.com/a/97224 (CC BY-SA 4.0).

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