And hi-lo hub.
Also, OLD: 110 - track 120 - 5 speed 126 - 6 and & 7 speed 130 - 8. 9. 10 speed 135 - as above.
Rim cross section: Box, single/double/triple wall, asymmetric, deep, etc.
Tyre size: 18, 20, 23, 25, 28(?).
Rim material: Aluminium, wood carbon fibre, steel.
Plus, types/sizes of bearings, axles types, etc.
I'm sure there are many other considerations.
@Tris started
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And hi-lo hub.
Also, OLD:
110 - track
120 - 5 speed
126 - 6 and & 7 speed
130 - 8. 9. 10 speed
135 - as above.
Rim cross section:
Box, single/double/triple wall, asymmetric, deep, etc.
Tyre size:
18, 20, 23, 25, 28(?).
Rim material:
Aluminium, wood carbon fibre, steel.
Plus, types/sizes of bearings, axles types, etc.
I'm sure there are many other considerations.