Brompton P and T Line 4-speed Rear Wheel - new for 2025
This is a the superlight Advance (1 or 4 speed) rear wheel as used on the Brompton P and T Line, it has a presta valve
The same wheel is used for the both the four and single speed, the difference is the sprockets / spacers that you install
This wheel was introduced in late 2025, it has a lightweight (aero style, slightly less aero than the original T line wheels) rim, 28 double butted spokes and an aluminium hub body and a 4 speed free hub body, the rear wheel is undone using an Allen (Hex) key
The Brompton rear wheel size is 16 x 1 3/8 - ISO/ETRTO 37-349 (although really that's the default tyre size - the wheel takes tyres with a diameter 349mm)
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This 16 inch rear wheel manufactured by Brompton for the P and T Line bikes and comes with the following:
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Tools required for removal:
- 5mm Allen key
Removing the rear wheel:
- Place the bike in the stand, fold the rear end and remove the tension from the chain by disengaging the sprocket from the chain.
- Use the 5mm Allen key to loosen the skewer, avoid the skewer nut from turning. remove the skewer.
- Deflate the tyre and let it pass through the brake calliper
Tools required for fitting:
- 5mm Allen key
- Torque wrench
Fitting the rear wheel:
- Ensure it is the correct orientation
- Seat the chain on the cassette
- Insert the skewer and fit the skewer bolt
- Tighten to 7NM using the torque wrench
- re-engage the chain tension
The Brompton rear wheel is laced in a single cross laced style
The weight of the wheel is approx 600g on our scales
Brompton Q part code: Q104005
This rear wheel replaces QRW4PT (Q102678)
When you need to replace the rim or spokes you need the following:
- Rim: Q103912 (TBC)
- Spokes: Q103915 (TBC)