This 2026 edition of TPU Triangle Bag comes with woven texture and a 10% larger space, making it both useful and aesthetically appealing.
This 2026 edition of TPU Triangle Bag comes with woven texture and a 10% larger space, making it both useful and aesthetically appealing.
This elastic box fits perfectly into the triangular space of Brompton frame. Weighing only 90grams, it provides an extra storage space of 350ml, allowing you to tuck in mini tools, a tire patch kit, gloves, a spare tire or even an electric pump.
It is 3D printed with TPU plastic, an elastic and durable material.
P Line is now using a larger chain catcher (V2). Now, TPU triangle bag has been modified to make sure there is no interference with the chain catcher.
Demo video on YouTube
https://youtube.com/shorts/cOY0fgonQaI?si=w2hf-7OMA6kuGMKZ
https://youtube.com/shorts/q9gltB_ZF90?feature=share
How to use: Fit from the top left corner first.
Note: This product has been tested to work perfectly on Brompton A Line, C Line, and P Line models (including special editions such as BumbleBee) and all 2014-2022 models. **This edition is NOT compatible with T Line**.
Note: This bag is to be fitted into the triangular space of Brompton bike, so it cannot be used on a bike already installed with Fold Retainer.
