The Rim 349 2 Wall 28H Std Silver refers to the replacement bicycle wheel rim that is compatible with Brompton bicycles. There are certain specific wheels for which this can be used, and we will list them below. With a diameter of 16 inches, the double-wall rim has 28 straight-drilled spoke holes. One of the most popular Brompton components, this is ideal for those seeking reliable replacement parts.

This rim has an ERD of 328, making it compatible with the various wheel configurations shown below. Designed for use with many different Brompton wheels, it is important to make sure you pair the rim with the right spokes, and this is one of the best ways of being able to keep things compatible.
Note: For use only with the following wheels:

Brompton standard front wheel
Brompton super light front wheel
Brompton Shimano hub dynamo front wheel
Brompton SON hub dynamo front wheel
Brompton single / two speed rear wheels
in conjunction with correct spokes (see download tab/datasheet for spoke / wheel compatibility)
Brompton standard drilled rim features:

Valve hole: Schrader / car-type valves
Spokes required: 28
ERD: 328
ETRTO: 349