Conversion steering colum

Hello

can someone confirm  is  this is the right fork  (http://www.sip-scootershop.com/EN/Products/13337000/Steering+Column+for+conversion.aspx  to fit in a vespa gl( (type vla1) in combination with Grimeca disc http://www.sip-scootershop.com/EN/Products/30015000/Disc+Brake+GRIMECA+NT+for.aspx

 

Thanks Raf