6831139 Frontfork Zundapp 517 discbrake model The set includes:
Frontbreaking set for discbrake connection, chrome, complete with guidingbushes and oil seals Forktubeset Frontfork springsupportset long Frontfork springsupportset short Frontforkspring set Frontfork guidingbush set8 pcs set for assembling
It is a DIY set