Specifications of the front hub:

Brand: Sturmey Archer

Model: HBT30-F

Color: Blue

Number of spoke holes: 36

Type of brake: Rim brake

Type of axle: Fixed axle 145 MM

Axle included: Yes, with nuts

Type of bearings: Industrial bearings

Weight (GR): 237

Intended use: Fixy - Singlespeed


Data for spoke length calculations using the Sapim spoke size calculator:

Total length of the hub (MM): 100

Non-gear side (MM): 15

Gear side (MM): 15

Hub diameter non-gear side (MM): 61

Hub diameter gear side (MM): 61

Link to spoke calculator: www.sapim.be/spoke-calculator