Both versions of the handlebar adapter head (version with lock and without lock) can be mounted onto the Extender bracket.
Rixen & Kaul KlickFix Bike Adapter For Head Tube
Rixen-Kaul Klickfix Caddy Post Plus Clamp - Mount For Bike Seatpost Or Stem
RIXEN & KAUL Klickfix Contour Max Bike Handlebar Adapter
RIXEN KAUL KLICKfix Multi Clip Plus - Accessory Holder For Bike Handlebar Mount
RIXEN KAUL KLICKfix PhoneBag Tour M Smartphone Bike Handlebar Bag & Bar Mount
KLICKfix Rixen & Kaul Men's KlickFix Caddy Post Plus Bar Clamp Spare, Multicoloured, One Size, Multi-coloured
