Monday, 9 July 2018


- The Brompton two speed hub uses:

6900-2RS in the non-drive side
6901-2RS in the drive side

And in the freewheel body:


Brompton SL front hub bearings:

6900 / 61900 - 1 either side

- The dimensions of a Brompton when folded are 585mm high x 565mm long x 270mm wide (23" x 22.2" x 10.6").
(Measurements are based on a bike with folding pedal and a standard seat pillar and saddle; measurements will vary slightly by model - e.g. opting for a model without mudguards will reduce the height of the folded package.)

Every Brompton has a full-length wheel base of 1045mm (41.2"); pre-2003 models had a slightly shorter wheelbase of 1.02m (40.2").

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