Description and materials - Trialtech ISIS bottom bracket. - M12 cromoly steel axle gives plenty of strength. - High quality sealed cartridge bearings. - Suitable for 68mm and 73mm bottom brackets and all ISIS cranks. - Aluminium cups and body. - Spacer supplied to use only with 68mm frames. Dimensions - 128mm long - M12 bolts Finishes - Anodised black - White laser etched Trialtech logo Weight - 315g (+ bolts at 39g) Additional information If you have any doubts, please contact us.
