The Box Two External bottom brackets feature cold-forged and CNC-machined alloy cups, dual-labyrinth bearing covers and precision sealed bearings. They are the perfect upgrade to the budget BBs sold with most cranksets. Box Two External Bottom Brackets are designed to fit all 24-millimeter crank spindles and frames with 68 or 73 x BC 1.37-inch bottom bracket shells.
*Select bikes ship with a flat fee from 14.95€
Seen this cheaper elsewhere? We price match any legitimate competitor! For a price match to be accepted, the item has to be identical and be in stock and available for purchase at our competitor. We will notify you by email of the decision when reviewed within 24hours but usually much sooner
Keep updated with our latest videos and content
Sign up to our email newsletter or follow us on our social channels