Hub Measurements

How to measure your hub!

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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, what length spoke you’ll need.

Hub Measurements

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, Medera Pilot V2
32mm
32mm
43mm
43mm
Mini BMX Rear, Totem Rear, Medera 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 Front
17mm
36mm
60mm
60mm
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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