SON XS dynamo hubs provide reliable electric power to your lights or USB devices as you ride, and are specifically designed for compatiblity with the narrower forks and smaller wheels found on smaller bikes.

Be sure to select the correct skewer size for your folding bike: Brompton 8x73mm, Bike Friday 9x74mm, Moulton 9x70mm.

Complete wheels available upon request. Please contact us for further details.