Carbonbike bottom bracket adapters $100.00 This adaptor is used for reducing bearing size to 30mm. Carbonbike bottom bracket adapters quantity Add to shopping bag Description Additional Information Need Help? Contact Us Leave Feedback Contact Us Enter your contact details or email form shortcode here. (Text/HTML/Shortcodes accepted). Leave Feedback Enter your feedback modal content here. (Text/HTML/Shortcodes accepted). Share Related Products Add to shopping bag Computer bar $20.00 Add to shopping bag Fork mounted flip mirror $30.00 Select options Bearing sets $30.00 – $40.00 Add to shopping bag Carbon fork knee protectors $175.00