BromptonTroubleshooting How do you get the Brompton bottom bracket stuck like that? by Petrelli July 12, 2018 by Petrelli July 12, 2018 Brompton uses a BSA (English) standard bottom bracket system. For the Non-drive side, it is running on a left-hand thread, you will have to… Read more 0 FacebookTwitterPinterestEmail
