Complete with nut and lock washer.
Included parts correspond to original numbers:
529-14.110
278-05.112
DIN 936/600
Fits i.a. the following models:
C50 Sport (529) from 1976 From frame no. 9020001-
GTS50 (529) from 1976 From frame no. 9020003-
KS50 (529) from 1977
KS50 (530) from 1976 (530-010, 530-011, 530-012, 530-014, 530-500, 530-510)