Description and materials - BONZ Pro Light high 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 - Designed for cassette splined sprockets (Shimano Type), at least 5mm long, which makes a simple fitting: only tighten the black supplied washer. - Suitable for screw-on sprockets too. - 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 axle - 32 holes Finishes - Matt anodised black - White/grey laser etched BONZ logo Weight - 149g (+33g 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 Designed for cassette splined sprockets, any damage made by a screw-on sprocket won't be covered by the guarantee.