Crescent mopeds with 19″ front and rear wheels equipped as follows:
Rim track: WO (Westwood) 19″(23″) which was originally mounted on Crescent's wheels, up to ca.1963. Hub: Crescent and Nymans full brake hub 90mm
E.g. flatbed moped Crescent 1210.
FramKing Clipper with Jøs 90 and 19"
Husqvarna and Rex mopeds with 24″ front / rear wheels. Equipped as follows:
Rim track: 24x2 with Union hub with 100mm brake drum.
Spokes:
Contains at least 36 spokes with nipple.
Length: L1=215mm
T=2,6mm
Thread: BC56g
Surface treatment: Galvanized
Other dimensions and angles are specially adapted for Crescent full brake hub 90mm and Union full brake hub 100mm.
For more dimensions check this link
Nipple:
Outer diameter Ø=5mm
Thread: BC56g
Surface treatment: Galvanized