Adjustable Air Pressure Carbon Suspension Block for Brompton Bicycle

Air pressure is adjustable for different weight of rider or terrain

Materials: Titanium Alloy

Maximum inflatable air pressure value 150psi

Video 1:

https://www.youtube.com/watch?v=rXCBukCm2BY&feature=youtu.be

Video 2:

https://www.youtube.com/watch?v=8_KyvXHBj78&feature=youtu.be