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Brompton double wall angle drilled wheel rim 28 hole

Introduced in 2013, this Brompton double wall wheel rim (size 16 x 1 3/8" or ETRTO 349) has 28 spoke holes which are drilled at an angle for extra strength. 

Brompton double wall rim - angled holes - silver

Brompton 16 inch / ETRTO 349 bicycle wheel rim, double wall, angle drilled with 28 holes.

Rim ERD is 328

Brompton replacement wheel rim for rear hub geared wheels (Sturmey Archer and SRAM/Sachs) only.

Note: For use only with an internal-geared rear hub such as:
Brompton Sturmey Archer BSR (Standard ratio)
Brompton Sturmey Archer BWR (Wide ratio)
Sachs/SRAM 3/6 speed
Sturmey Archer sprinter
Sturmey Archer S-RF3 

Note (another one): If you are changing from a single wall rim to a double wall rim then you will require different spokes to your existing ones.

Note 3 (sorry) asa of 2026 this rim is also to be used on the front wheel as well as the rear, the same spokes should be used as on the straight drilled wheel 

Valve hole is drilled to accept 8mm schrader / car type valves.

Now (as at Jan 2024) also known as the option 2 rim (Option 1 being the aero rim)

Note: Rim tape is not included - you should use Brompton yellow rim tape - Q part code QRIMTAPE-DW

Brompton 2020 Q part code: Q100036
Brompton Q part code: QRIM-28-AGL
Brompton part number: 9027170 

We found this useful video showing how to replace your rim.