Finally. A phone mount specifically made for the Brompton folding bike.
Brompton Quad Lock Phone Mount with Universal Adaptor : Automotive
Quadlock Phone Mount, Brompton Phone Holder
Brompton Quad Lock Handlebar Phone Mounting Bracket
This kit comes with the Phone Mount that attaches to your Brompton and a Universal Adapter that sticks to the back of your phone or phone case.
Brompton Brompton Quad Lock Phone Mount 25.4mm with Universal Adaptor
Finally. A phone mount specifically made for the Brompton folding bike.
Brompton Quad Lock Phone Mount
Phone Mount Brompton Bicycle USA
Brompton Quad Lock Phone Mount with Universal Adaptor : Automotive
QUAD LOCK Brompton Phone Mount – Bikeary Bicycle Lifestyle
Brompton Quad Lock - Phone handle bar mount
Brompton Quad Lock Phone Mount Black