Description and materials - BONZ Pro Expert quality rear non-disc hub, for rim brakes. - Hub shell from mechanized 7075 T6 aluminium. - 7075 T6 aluminium, 10mm axle. It can be converted to 129 or 135mm by changing the additional washers suppled with the hub. - Sealed bearings keep out all the mud and water, and offer a smooth running - Standard thread, suitable for screw-on sprockets. - 6-Bolt IS (International Standard) bolt mounts. - Additional spacers included. - M6 bolts and serrated washers (included), for a perfect fitting. - 32 holes only. - Sprocket or freewheel not included. Dimensions - 129/135mm long - 32 holes Finishes - Matt anodised black - White/grey laser etched BONZ logo Weight - 199g (+28g of bolts and washers) Additional information This hub is only suitable for 32H rims. If you have any doubts, please contact to info@trial-bikes.com