Tag: brompton gearing options

Brompton Gearing

Unlike a traditional geared bicycle the brompton can contain a 2 speed derailleur plus a 3 speed internal gear hub. Specifically the standard single speed has 12t rear sprocket and 54t front chainring. Brompton Gearing Chart Jpg 750 331 Brompton Brompton Bicycle Bicycle When considering brompton gearing the options are a minefield. Brompton gearing. A