The hitch ball fits on almost any rear axle and it is made of stainless steel. It can be ordered separately to enable you to use the Cyclone with more than one bike.
For Brompton P-line, you need to modify your Brompton hitch according to this sheet.
Replacement part or supplementary.
|Weight||standard: 112, Brompton: 178, Birdy: 168 g /piece|
|This product consists of||1 Hitch, bike side|