For geared hubs (to ISO 10230)

Non-derailleur configurations (3-speeds)
1/2" x 13T x 3mm thick (for lower gearing, use a 14T or 15T sprocket).

Derailleur configurations (2- & 6-speeds)
Special Brompton sprockets, 13/16T on 6-speed bikes and 12/16T on 2-speed bikes

Spares can only be ordered through an authorized Brompton dealer

Click on dealer locator to find your nearest store.

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