Rear wheel: up to 1976 (M12, M15, K50, A50, AC50)
Front wheel: from 1977- (K50B/DB, N/DN, Z/DZ)
Contains 18 inner spokes and 18 outer spokes.
Spoke:
Length of outer spoke: L1=161mm
Inner spoke length: L1=161mm
T=2.9mm
Thread BC44g
Surface treatment: Galvanized
Spoke nipple:
Outer diameter Ø=5.8mm
Thread: BC44g
Surface treatment: Galvanized