Brompton Bottle Holder - Black
This is a water bottle holder by Brompton. This fits on the stem of the 16 inch Brompton bicycles and takes most water bottles. There is a small strap, which is secured using a piece of velcro, which stops the bottle from jumping out while riding, and there are three velcro straps to connect the holder to the stem
We would removed the water bottle before folding
Brompton Bottle Holder - Black, key features:
- Capacity - standard water bottles up to a diameter to 7.5cm
- Dimensions (cm): l x w x h = 9.5 x 9.5 x 19 (cm)
- Colour: Black
- Outer: Recycled PET with TPU Coating, Lining - TPU Film
- Inner: 100% TPU
Brompton part number: Q103873
Compatibility, all 16 inch wheelws manual and electric C / P / T line bikes with the following handle bar types:

Introduced in 2025