Aluminum alloy rim -K K-1.40 https://www.jhrims.com/product/aluminum-alloy-rim-k/k1-40.html Specification K 1.40x18 Suitable tyre 2.50-18 Mark the trame 36+1.0 Volume 480x480x55 If you are interested in our products and want to give an answer. contact us:[email protected]