Real 4speed conversion for Brompton - Ridea Lever Shifter, Chain Pusher, Chain Tensioner, Pulley

The Real 4 Speed Conversion Project for Brompton. Tried a lot of combinations for a 4-speed conversion to work as smooth as anybody wants it be for our regular Bromptons, we found a solution that actually works and this is by using RIdea Brompton Levers with 4 speed shifter, combined it with Ridea tensioner, Ridea pulley and most important with this convertion is the Ridea Chain Pusher. Music from Tunetank.com Nuclear Wave - Don't Stop (Copyright Free Music) Download free: https://tunetank.com/t/qho/2175-don-t...