Bonz Expert BB
Bonz Expert ISIS bottom bracket available in 128mm long axle.
Suitable for frames with 68mm or 73mm shell width. To install this BB in bikes with 68mm shell width you need to use the aluminium spacer that is included with the BB.
M15 steel axle and anodised aluminium alloy cups
Replaceable sealed cartridge bearings keeps running smooth in all weather conditions.
Includes cranks bolts
Weight: 345g (+46g steel bolts)