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

4/5 Speed Compatible Chain Pusher DemoПодробнее

BWR 4x3 - chain pusher based 4 sprocket kitПодробнее

External 4 Speed DemoПодробнее

Chain tensioner for Brompton 2 or 6 speed (Unofficial upgraded chain tensioner) produced by SuncordПодробнее

How to assemble Nov Design tensioner for Brompton folding bikeПодробнее

Brompton C Line External 5 Speed DemoПодробнее

Finally, ​⁠ @bromptonbicycle advance 4 speed shifterПодробнее

Brompton C line 4x3 Demo with P/T shifterПодробнее

Brompton 4 speed gear adjustmentПодробнее

Upgrading brompton derailleur 3 speed to 4 speed P Line series (Lite Pro)Подробнее

Brompton Chain Pusher Kit SetПодробнее

Replacing the Derailleur Chain PusherПодробнее

Brompton C Line 5 Speed Demo - with P/T ShifterПодробнее

Brompton Right Hand 5S Shifter DemoПодробнее

Brompton 4 to 12 speed upgradeПодробнее

Brompton P/T Line 4x3 Demo, with P/T ShifterПодробнее

Convert Brompton to Any Speed: 4 to 7 speeds, internal to external gears. Super Team Carbon WheelsПодробнее

Brompton Chain Tensioner IssuesПодробнее

2SX3S Brompton 2S (H/L) shifter mod to 3 speed (1/2/3) indexed kit (MiniMODs) Assembly InstallationПодробнее