Hub Measurements

Using these measurements, in addition to the ERD (Effective Rim Diameter) of the rim you intend to use, you can calculate, using the online spoke calculator from United Bicycle Institute (link), what length spoke you’ll need.

 

Hub Style

Center to Drive Flange

Center to Non-Drive Flange

Drive Flange Diameter

Non-Drive Flange Diameter

Mini BMX Front,
Totem Front,
Elite BMX Front,
Madera Pilot V2
32mm
32mm
43mm
43mm
Mini BMX Rear,
Totem Rear,
Madera V2
Cassette
28mm
33mm
54mm
43mm
Elite BMX
Cassette Rear
27mm
33mm
59mm
43mm
MTB Elite
Non-Disc Front
30mm
30mm
43mm
43mm
MTB Elite
Disc Front
32mm
19mm
58mm
58mm
MTB Elite
Single Speed
31mm
32mm
60mm
58mm
MTB Elite
9-10 Speed
18mm
32mm
60mm
58mm
Road/CX
Elite Front
33mm
33mm
33mm
33mm
Road/CX
Elite Rear
17mm
36mm
60mm
60mm
Track Front,
Track Front
Smooth
32mm
32mm
58mm
58mm
Fixed/Free
Track Rear
30mm
33mm
58mm
58mm
Fixed/Fixed
Track Rear
31mm
31mm
58mm
58mm
Track Smooth
Rear
31mm
40mm
58mm
58mm
High Flange
BMX Front
32mm
32mm
54mm
54mm
High Flange
BMX Rear
34mm
31mm
54mm
54mm
Classic MTB
Front Disc
20mm
31mm
23mm
59mm
59mm
Classic MTB
Front 20mm
37mm
37mm
53mm
53mm
Classic MTB
Front Disc
3/8” / QR
34mm
24mm
59mm
59mm
Classic MTB
Single Speed
33mm
31mm
59mm
59mm
Classic MTB
9/10 Speed
21mm
33mm
59mm
59mm
Classic MTB
9/10 Speed
150mm
27mm
28mm
57mm
57mm
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