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Sturmey Archer SRF5 5 speed hub and internals



Sturmey Archer SRF-5 speed rear hub and internals

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Sturmey Archer SRF-5(W) 5-speed hub and internals

For those wishing to build a Brompton wheel with a 5 speed wide ratio Sturmey Archer hub gear

Complete with gear indicator chain, gear cable and gear shifter/trigger

28 holes - so suitable for a Brompton rim
18 tooth sprocket
148mm axle length for Brompton

5 Speed low flange, internal gear hub without brake (freewheel)
New wide gear ratio of 256%

Hub Shell Material 6061 Aluminum
Axle Diameter 13/32 Slotted
Axle Length 148mm
Over Locknut Dimension 111mm
Right Axle Protrusion Length 19mm
Left Axle Protrusion Length 18mm
Spoke Holes 28
Pitch Circle Diameter 67mm
Center to Flange Right 23.8mm
Center to Flange Left 32.8mm
Flange Width 53mm
Spoke Compatibility 13g or 14g
Sprocket Teeth 13T through 22T
Chain Line: 1/8 Flat 41.6 – 44.6mm
Chain Line: 3/32 Flat 41.9 – 44.9mm
Indicator Chain HSA585 Mark green

Weight 1055g


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Sturmey Archer SRF5 5 speed hub and internals

Sturmey Archer SRF5 5 speed hub and internals

Sturmey Archer SRF-5 speed rear hub and internals

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3 Question(s) answered - see below

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    Answered questions

  • Asked by Neil Gill
    on 27/04/2019
    Hello, would the internals screw into the hub of a Brompton 5 speed Sprinter, 1996 era? My Sprinter has a broken axle, I can’t find one anywhere, do you have one? If not would this new hub be an alternative solution? Thanks. Answer:
    Let us check and get back to you
  • Asked by Ajay George
    on 28/05/2019
    Hi, Is this compatible with a 2007 M3L with a Sturmey archer hub and if so what changes need to be made to fit it please? Answer:
  • Asked by Dale Livermore
    on 08/07/2019
    Hi could you please tell me if you stock or can get hold of a hub shell for the SRF5-w hub 28 holes, as my internals are ok but the hub shell is a write off Thankyou Answer:


SRF5 exploded view

Sturmey Archer SRF5 5 Five Speed Hub

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