Kappa K33NSX 33L Monokey Side Left Side Case – Black Waterproof Motorcycle

The Kappa K33NSX is the 33-liter left side case from the Monokey Side system, designed for motorcycle touring and longer trips. Made of impact-resistant embossed black ABS, it is waterproof, offers enough space for a full-face helmet, and supports a maximum load of 10 kg. It has a shaped and aerodynamic profile to fit the motorcycle frame without affecting handling.

✓ Strengths

• Patented Monokey Side system – quick attachment/detachment with a single key
• 33-liter capacity – holds a full-face helmet inside
• Waterproof (water resistant) – protects contents in case of rain
• Maximum load 10 kg – ideal for daily luggage and medium trips
• Aerodynamic shaped profile – adheres to the frame and reduces bulk
• Scratch-resistant embossed black finish – wear-resistant and highly aesthetic
• Key + button opening and closing – one-handed operation
• Universal mounting kit included – hardware and mounting accessories
• Compatible with Kappa KLX and KLXR tubular racks (and corresponding Givi PLX/PLXR)

Technical features

Vehicle compatibility

The K33NSX is universal: it mounts on any motorcycle equipped with Kappa KLX/KLXR or Givi PLX/PLXR side racks specific to that model. To find the correct rack for your motorcycle, consult the Kappa/Givi configurator or contact Moon Bike S.r.l., providing the make, model, and year of your vehicle.

Recommended products in combination

• K33NDX – Mirrored right side case (for use as a pair)
• Kappa KLX / KLXR side racks – specific for your motorcycle (mandatory purchase)
• Kappa TK733 inner bag – padded inner bag with handles
• Kappa SL101 unified lock set – to use a single key for all cases

Who it's perfect for

The Kappa K33NSX is designed for motorcycle tourists, commuters, and daily travelers who want a spacious but compact left side luggage, capable of holding a full-face helmet, technical clothing, and travel accessories. Also ideal as a single replacement for those who have damaged only one case of an existing pair, or for those who prefer a single-case setup (often on the left side, opposite the exhaust).

Frequently Asked Questions

Is the K33NSX sold individually or as a pair?
It is sold individually and is the LEFT side. To have a pair, you also need the right K33NDX (or the K33N pair).

What is needed to mount it on the motorcycle?
You need Kappa KLX/KLXR (or Givi PLX/PLXR) side racks specific to your motorcycle, not included. Tell us the make, model, and year, and we will tell you the correct rack.

How much does it hold and what load can it bear?
It has 33 liters, enough for a full-face helmet, and can bear a maximum load of 10 kg.

Is it an original Kappa product?
Yes. It is an original Kappa Monokey Side case (by Givi), new, sold by Moon Bike S.r.l., an authorized dealer.