BromptonBrompton ModBrompton Titanium UpgradesTroubleshooting Shifting problem #189 by Petrelli July 8, 2018 by Petrelli July 8, 2018 A rider is having some shifting issues between the gear 3 & 4. After some testing and inspections, we found the tensioner in a… Read more 0 FacebookTwitterPinterestEmail