The bottom bracket is a central element of the bike, it allows the connection between the pedal and the frame, it is subject to significant constraints... Several parts and accessories are useful to replace a bottom bracket: keys (9mm x 40 or 9,5X43), a bottom bracket that can exist in different dimensions (123mm 128mm), different screws and bowl ...
It is sometimes difficult to find the correct size, do not hesitate to ask!
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Our items are dispatched in the 48 hours.
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