Hub ID 311
Manufacturer Brompton
Model standard front
Position Front
Axle Type 8mm
Brake Compatibility rim brake
Drive Interface n/a (front)
Internal Gearing none
Generator Type none
OLN 74 mm
Spoke Hole Diameter 2.7 mm
Left Flange Diameter 38 mm
Right Flange Diameter 38 mm
Left Flange Offset 23.5 mm
Right Flange Offset 23.5 mm
Weight 158 g
7/27/16 -- This is the stock front hub for non-superlight bikes without dynamo lighting. Intended to be laced radial, heads-out. Stock spokes for this lacing are 145mm Sapim 2.0mm with 12mm brass nips. Measured during rebuild. 158g is with axle nuts and all washers. This specimen measured at 72mm OLN, which I attribute to manufacturing tolerances. -Karl

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