Sturmey Archer X-RD 120mm Rear hub

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Hub Data
Manufacturer Sturmey Archer
Model X-RD
Position Rear
Axle Type 10mm
OLN 120 mm
Spoke Interface Type J-Bend
Brake Compatibility drum, integrated
Drive Interface threaded, standard (1.37x24)
Internal Gearing none
Dynamo Type none
Spoke Hole Diameter 2.6 mm
Left Flange Diameter 89.8 mm
Right Flange Diameter 89.8 mm
Left Flange Offset 38.2 mm
Right Flange Offset 26 mm
Mid-Flange Offset -6.1 mm (to the left)
Weight 795 g
Hub ID 764
Record Status Public
Created Oct 23, 2020 12:05pm
hub dimension diagram
10/23/2020 -- This hub fits 120mm track-spaced frames and accepts a singlespeed freewheel. It appears to be the same hub as the 135mm version, but with a shorter axle and not as wide of an axle spacer on the drive side. Note that the mfg datasheet says this has a 9mm axle; not sure if this is true or a typo; I have classified it as 10mm to make it more easily located. -Karl
part image