A little pricey for what you get. I now use this mount with some trepidation after experiencing my iPhone suddenly catapulting off the mount when I hit some bumpy terrain. Luckily, the car behind noticed and stopped before my phone was crushed. The iPhone was housed in a (separately purchased) official Quad Lock case.

Sold by Brompton Bicycle
The information on this page is based solely on product reviews written by customers of Brompton Bicycle via Trustpilot.
Here’s what people highlighted
Product details
Brand: Quad Lock
MPN: Quad Lock ® Phone Mount for G Line
All reviews
Good quality and effective but the price is high for a phone mount.
The system is perfect, but there wasn't a quad Lock to use it with my phone. I had to buy it by myself.
Great phone holder, quick and easy to mount. It holds your phone very stable in position. Price is rather steep though.
It is probably the best phone mount for the Brompton G line as it's designed to fit that model of bike and holds the phone stable securely but I feel it's overpriced for what it is.
This is an ESSENTIAL add-on for the G Line. I can't go a single ride without it. I'm so glad that it exists.
Fine! But for my specific Applikations this Mount produces sofern incompatabilities with other mounts (Light!) on my g-line handle bar! Nevertheless, ... good thing though!
Perfect for the G-line Brompton
Holds phone firmly just where you want it in the middle of the handlebars. One can adjust power level for electric G line easily.
Frikin expensive.
Good but expensive!
High quality product
Perfect fit reading the instructions helps but just lose the bolts slide it in and quick tighten and your done
Good Product
