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Sturmey Archer SRF-5 speed rear hub and internals
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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
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