Black Hub / Black Rim. Alloy Rims 7116 T7. 6061 T6 Aluminum CNC machine hub anodized in black. Stainless steel spokes with brass nipple. All wheels have been tested, guaranteeing the best in quality and performance. Professional quality wheel built with the best components available. Attention - In some cases the caliper might be too close from the wheel spokes. If it cannot be adjusted, the disc have to be shimmed out (with a proper disc spacer, not flat washers). All front discs have the same bolt pattern, any MTB disc spacer will fit. 1mm should be enough but please check before ordering so you can order enough if needed.