16 / 18 inch inner tube with Schrader / car type valve, made by...
Brompton 16 inch inner tube This standard Brompton inner tube with...
The Marathon Plus 16 inch tyre - helping to make punctures are a distant...
Brompton sprocket stack for Brompton bikes with a 6 speed Sturmey Archer...
The Brompton front carrier block / luggage mounting block allows you to...
Brompton 100 link replacement chain for 2 or 6 speed Bromptons with 50T...
Replacement Brompton non folding right hand pedal (silver) with...
Brompton yellow rim tape for all Brompton wheels
Brompton brake pads and holders (pair) These pads will improve braking...
Pair of replacement cartridge brake pad inserts from Fibrax - compatible...
This replacement Brompton handlebar catch assembly comes complete with...
Quite a few of the Bompton spare parts require you to know which wheel or hub you have (spokes, sprocket sets for example)
In this guide we will try and help you find which hub / wheel combination you have on your Brompton!
Here will will try and help you to identify which Brompton wheel(s) you have - so let's start identifying ...
Brompton Front wheels |
The availability of Brompton wheels as spare parts can vary but ... as at the beginning of 2024 there are four types of front wheel in use on the Brompton range coming from the factory
Other previous wheels include (please let us know if we have missed any!)
Brompton standard front wheel |
Current (as at 2024):
A Line bikes come with this wheel with a silver hub, spokes and 28 hole rim.to accommodate a Schrader / car type valve
C Line bikes come with this wheel with a black hub, spokes and 28 hole rim to accommodate a Schrader / car type valve
Identifying features:
The rim has 28 holes / spokes
The rim has an 8mm hole for a Schrader / car type valve
It is held in place with normal wheel nuts
It is radially spoked - i.e. all the spokes come out directly from the hub without crossing another spoke at any point
It is available in silver or black (the black wheel still has a silver braking surface and silver nipples with the black spokes)
Brompton SP SV8 hub dynamo front wheel |
The SP (short for Shutter Precision - as they started as a camera equipment company) SV-8 hub dynamo (so built into the front wheel) was the replacement for the Brompton Shimano hub dynamo
This hub/wheel has been supplied in black (originally for the BLACK Edition Brompton folding bikes) and silver (for standard Brompton folding bikes) - from SP it is also available in red, though this was never fitted to Brompton bikes by Brompton themselves
Identifying features:
It uses a bolt through axle the same as the super light front wheel (these axles are interchangeable) - the bolt is black on black edition bikes and silver on standard bolts
The hub includes arrows showing the direction of rotation. The hub itself comes in silver or black to match the rim / bike (the hub is also available in red - though this is not sold by Brompton)
It uses a tab connector (interchangeable with the tab connector used on the Shimano hub dynamo system) to connect the hub to the wiring loom / lights
The below image shows a silver Brompton SP SV-8 hub dynamo wheel / hub
Brompton P/T Line front wheel |
Introduced in 2022 with the Brompton P Line (Performance Line) and T Line (Titanium) range of folding bikes
This wheel has a 20 hole hub and rim
The rim is an "aero" profile and has a smaller braking surface than the standard / C Line rim
The rim has a 6mm hole for a presta / racing type valve
Brompton P Line front wheel (option 2) |
Introduced in 2022 with the Brompton P Line (Performance Line)
This wheel has a 20 hole hub and rim (the rim actually has a 28H sticker on it!)
The rim / wheel was introduced due to supply shortages of the "aero" profile rim
The rim has a 8mm hole for a Schrader / car type valve
Brompton SON hub dynamo front wheel |
This wheel is very light - and the hub is very shiny
It uses two spade connectors to connect the hub to the wiring loom (cable)
`
Above is a picture of a SON hub dynamo fitted to a B75 (without the wiring loom connected)
Brompton Shimano hub dynamo front wheel |
This hub dynamo front wheel is held in place by a bolt through axle as with the super light / SON dynamo front wheels
It was available silver originally but also available in black on BLACK edition bikes
Brompton superlight / Extra light front wheel |
Identifying features:
The super light front wheel is held in place with a bolt through Allen key rather than traditional wheel nuts
Older ones had a red colouring on part of the hub
Spoke layout:
These wheels are laced in a two cross pattern
Some older versions were radially laced - some wheels laced in this pattern developed cracks at the edge of the hub
It is lighter than the standard front wheel - though you won't know unless you have both wheel types - so not much help in identifying
Brompton Rear wheels |
It's now 2024 and the number of Brompton wheels is increasing!
2023 saw the end of the 3 speed (utility) Brompton but saw the 4 speed also introduced to the Brompton Electric
Brompton 1 and 2 speed rear wheel |
The single speed and two speed rear wheel used on Brompton folding bikes is the same wheel - just with a different sprocket stack
The real identification is that it doesn't have a thick hub (containing hub gears) - so the hub is much thinner / lighter. this is the least seen hub on Brompton folding bikes
The single / one speed - uses a spacer/sprocket/spacer and a non-derailleur chain tensioner. The single speed option was actually discontinued as a factory fit option in 2021
The two speed wheel uses a sprocket/spacer/sprocket with a derailleur chain tensioner
The driver / sprockets use a 9 spline Shimano style spline system - the same as the BWR 6 speed rear wheel (and the sprockets are compatible)
Brompton Sturmey Archer Standard Ratio rear wheel - BSR - 3 speed |
This wheel is based on the traditional AW / SRF-3 Sturmey Archer rear wheels - allows one sprocket to be fitted and uses the ISO 3 spline system on the driver.
The 13T sprocket used on this wheel is compatible with the 13T sprocket used on the 6 speed and 3 speed Sachs / SRAM rear wheel
Brompton Sturmey Archer Wide Ratio rear wheel - BWR - 6 speed |
This wheel was developed specially for Brompton by the resurrected Sturmey Archer when they became Sunrace Sturmey Archer. It allowed Brompton to offer a 6 speed Sturmey Archer rear wheel - using two sprockets
The main identifying feature is the driver - onto which the sprockets fit - it uses a 9 spline Shimano style system, with one of the splines being bigger than the others meaning that the sprocket can only be fitted correctly (as opposed to the 3 spline / ISO system used on previous Sturmey Archer wheels which allows fitting back to front)
Due to the difference in the driver from BSR / AW / Sachs / SRAM wheels - the sprockets used on the BWR are not compatible with these wheels
Generally they are labelled BWR or Brompton Wide Ratio on the hub
They have been available in silver (standard) or Black (initially for the Black Edition Brompton bikes). They are also used on 6 speed CHPT3 bikes
The BWR wheel / hub can easily be identified by the writing on the hub saying "BWR" or "Brompton Wide Ratio" as shown above
The BWR rear wheel takes 9 spline "Shimano Style" sprockets as shown above
These come as standard in a 13/16T combination. The 12T used on the 1 and 2 speed Brompton rear wheel is also compatible and will fit if you want a 12/16T combination. In fact at some points in time there was a shortage of 13T sprockets and new 6 speed bikes were supplied with the 12T/16T combination
Brompton Sachs / SRAM 3 and 6 speed rear wheel |
This wheel was an interim used by Brompton after Sturmey Archer went bust (before being resurrected by Sunrise Sturmey Archer!)
It allowed Brompton to offer a 6 speed option (using two sprockets) in addition to the 3 speed previously available with the Sturmey Archer 3 speed
Unfortunately Sachs were taken over by SRAM who eventually closed down the whole hub gear operation - so spare parts are no longer available for these hubs
The easy identification is the word SACHS 3 speed stamped on the side of the hub - the number of gears could be 3 or 6 based on the driver (if it can take one or two sprockets)
The following picture shows the top view - a differentiating feature (comparing to the Sturmey Archer hubs) is the dimples
The below picture shows the driver side of the 6 speed hub - with the (now discontinued) sprockets removed
The sprocket stack on the SRAM / Sachs hub used a 3 splined / ISO sprocket - the current 13T sprocket on the Sturmey Archer hub will also work on the SACHS 3 or 6 speed (the 15 tooth SACHS sprocket is the one that is no longer available)
Brompton Sturmey Archer AW rear wheel |
The Brompton / Sturmey Archer rear wheel is an older one - we will be back with more info soon!
Brompton P/T Line 4 speed rear wheel |
This wheel was introduced in 2022 along side the P Line (Performance Line) and T line (Titanium) Brompton folding bikes with an "aero" style rim
The wheel has 28 spokes
The wheel is made lighter by using an all new 4 speed derailleur system and rear hub
The wheel rim (excluding braking surface) and spokes are black
The valve hole is 6mm - for a presta / racing type valve
The braking surface is smaller than the C Line rim - still big enough for standard pads, but they do need to be set up more accurately
Brompton P Line 4 speed rear wheel (Option 2) |
This wheel was introduced in 2022 along side the P Line (Performance Line) due to shortages of the "aero" style rim which was supplied with the T Line
The rim used on this wheel is the same as the C Line wheel and is black (except for the braking surface)
The valve hole is 8mm - for a Schrader / car type valve
The wheel has 28 spokes - the same as the C Line wheel
The spokes are black
The wheel is made lighter by using an 4 speed derailleur system and rear hub
Brompton P/T Line 12 speed rear wheel |
This wheel was introduced in 2024 with the introduction of the 12 speed the P Line (Performance Line) and T line (Titanium) Brompton folding bikes with an "aero" style rim
The wheel has 28 spokes
The wheel is made lighter by using an all new 4 speed derailleur system and new Brompton Sturmey Archer Ultralight rear hub
The wheel rim (excluding braking surface) and spokes are black
The valve hole is 6mm - for a presta / racing type valve
The braking surface is smaller than the C Line rim - still big enough for standard pads, but they do need to be set up more accurately
The wheel uses a 9 spline Shimano style driver designed for 4 sprockets
The picture above shows the 12 speed hub and driver (where the 4 sprockets would be fitted)
Brompton P Line 12 speed rear wheel (Option 2) |
This wheel was introduced in 2024 with the introduction of the 12 speed P Line (Performance Line)
The rim used on this wheel is the same as the C Line wheel and is black (except for the braking surface)
The valve hole is 8mm - for a Schrader / car type valve
The wheel has 28 spokes - the same as the C Line wheel
The spokes are black
The wheel is made lighter by using a 4 speed derailleur system and new Brompton Sturmey Archer Ultralight 3 speed rear hub