Description and materials - Atomz/UN Premier ISIS cranks, forged from high quality 6061 aluminium. - Suitable for all ISIS bottom brackets. - Brass threaded section for the freewheel/sprocket helps resist stripping. - Wide threaded section allows you to run a bashring, and also suitable for all freewheels and sprockets. - Super stiff and strong, ideal for high level competition. Lengths - 160 and 175mm long Finishes - Matt anodised black - White laser etched UN logo. Weight - 508g (160mm) and 530g (175mm)
