GPM rushing designs this 1.9 ins aluminum 6061 T6 6 poles tires with foam insert and tires for a lot of different crawlers as an example the Axial SCX-10, Axial SCX-10 II, Vaterra K5 Ascender Blazer, G-made Sawback 4LS, G-made Sawback, G-made Komodo. It may be anodized in virtually any colors you love.