Kappa BF33K Tanklock Tank Bag Flange – KTM Duke 125 / 390 (2017-2023)

The Kappa BF33K is the specific flange for mounting TANKLOCK and TanklockED tank bags on the KTM Duke 125 and KTM Duke 390 from 2017 to 2023. It installs around the fuel cap and allows for quick and secure attachment of all Kappa/Givi bags compatible with the Tanklock system, without the need for straps or magnets.

✓ Strengths

• Universal TANKLOCK / TanklockED compatibility – all Kappa and Givi bags with the Tanklock system can be attached.
• Quick and secure attachment – one click to secure the bag, one button to release it.
• Drill-free mounting – the flange screws around the fuel cap without permanent modifications.
• Unrestricted fuel cap access – refueling is still possible with the flange installed.
• Reinforced technopolymer construction – robust and lightweight.
• Specific for KTM Duke 125/390 – fits perfectly with the 2017-2023 filler neck geometry.
• Original Kappa product – a brand of the GIVI S.p.A. group, since 1956.

Technical specifications

Vehicle compatibility

Compatible Tanklock tank bags (examples)

• Kappa RA311R – 16-liter Tanklock tank bag, ideal for touring
• Kappa RA301 – compact Tanklock tank bag
• Kappa RA305R – expandable Tanklock bag
• All Givi bags with TANKLOCK attachment (e.g., ST602, ST603, EA118, XS307)

Other Kappa accessories for KTM Duke 125-390 (2017-2023)

• KZ7707 – Rear rack for Monolock top case
• TE7707K – Side frames for soft or semi-rigid side bags RA314
• 05SKITK – Screw kit for mounting Smart Bar KS900A

Who it's perfect for

The Kappa BF33K flange is an indispensable accessory for every owner of a KTM Duke 125 or 390 (2017-2023) who wants to add a quick-release Tanklock tank bag. Perfect for those who use their motorcycle for daily commutes and want to keep documents, smartphones, and personal items always within reach, or for the touring motorcyclist who needs additional luggage without compromising the Duke's aesthetics.