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Building up a fat tire ebike or folding bike?

This 20x4 inch rim is exactly what you need.

It’s a double-layer aluminum rim with an 80mm width—plenty of room for those big, cushy tires.

Drilled for 36 holes and includes a rim liner, so you’re halfway to a solid wheel build.

The rim itself is black, weighs about 980 grams, and is made in China with a mix of aluminum, stainless steel, and steel components.

It’s unbranded but universal, fitting most electric bikes, fat bikes, and folders.

No brake track, so it’s best for hub or disc brake setups.
Valve type is whatever you choose, and the tubular tire style means you’ve got options.

Grab this single rim and start lacing up your dream wheels!

5 out of 5