Kappa BF31K Tanklock Tank Bag Flange – BMW G 310 R / G 310 GS (2017-2026)

The Kappa BF31K is the specific metal flange for the TANKLOCK system that allows you to install Kappa and Givi tank bags on BMW models listed in the compatibility table. It attaches directly to the fuel cap ring without drilling, allowing for quick attachment and detachment of the bag with a single motion. Equivalent to Givi code BF31.

✓ Strengths

• Specific BMW G 310 R / G 310 GS flange – designed for the models in the table
• Tanklock system – quick attachment/detachment of the tank bag with a single motion
• TanklockED compatible – also with new generation bags
• No-drill installation – attaches with the fuel cap screws
• Metal construction – robust and durable
• Universal for bags – compatible with all Kappa/Givi Tanklock bags
• Givi BF31 equivalent – fully interchangeable

Technical features

Vehicle compatibility

Who is it perfect for

The Kappa BF31K flange is designed for those who want to mount a tank bag with the practical quick-release Tanklock system on their motorcycle. Ideal for touring, commuting or everyday use: keep your phone, documents and small items within reach on the tank, securely and without drilling or gluing anything.

Frequently asked questions

Is the tank bag included with the BF31K flange?
No, the package only contains the BF31K metal flange with fixing screws and instructions. The Tanklock system tank bag must be purchased separately. The flange is compatible with all Kappa and Givi bags equipped with Tanklock or TanklockED attachment.

How is the flange mounted on the tank?
It is fixed directly to the fuel filler cap ring using the supplied screws, without any drilling or permanent modification. Installation takes only a few minutes and the cap continues to open normally for refueling. Instructions are included in the package.

How do I know if it is compatible with my motorcycle?
Check the compatibility table on this page, verifying both the model and the year of registration of your motorcycle. The BF31K flange is specific to the listed vehicles. If in doubt, contact us indicating model and year and we will confirm compatibility.

Is the flange an original Kappa product?
Yes, the BF31K is an original Kappa product, a brand of the Givi S.p.A. group. Moon Bike S.r.l. is an authorized dealer based in Cercola (NA) and offers the official manufacturer's warranty on all products, with full traceability.