Kappa K42N Monolock Top Case 42 Liters Black – Motorcycle Scooter Top Case for 2 Helmets with Universal Plate

The Kappa K42N top case is a 42-liter Monolock rear top case made of embossed black ABS technopolymer, ideal for motorcycles and scooters thanks to the included universal plate. Spacious enough to hold two jet helmets, it is waterproof, equipped with high-visibility red reflectors, and designed for those seeking an optimal balance between lightness, practicality, and urban/touring style (SKU: K42N).

✓ Strengths

• 42-liter capacity – holds two open-face jet helmets
• Monolock® system – K628 universal plate included, compatible with most motorcycles and scooters
• Waterproof (water resistant) – protects contents from rain and bad weather
• ABS/polypropylene construction – embossed black finish resistant to scratches and weathering
• Integrated red reflectors – increased rear visibility in low light conditions
• Maximum load 3 kg – safe for daily use
• Lightweight and compact – ~3.4 kg empty, compact dimensions
• Key lock with one-hand opening

Technical specifications

Vehicle compatibility

The Kappa K42N is a universal Monolock top case: it fits most motorcycles and scooters after installing a vehicle-specific Monolock rack. Compatible with brands like Piaggio, Vespa, Aprilia, Honda, Yamaha, Kymco, Suzuki, BMW, Ducati, Kawasaki, SYM, and many others, using the Kappa mount dedicated to the model.

Recommended products

• Specific Kappa rear rack (KR/KRA series) for your motorcycle/scooter model
• Kappa KE42 backrest – for passenger comfort when leaning on the top case
• Kappa TK742 inner bag – dedicated bag for easily transporting contents
• Kappa SL101 key set – to unify keys for the top case and other Monolock/Monokey cases

Who it's perfect for

The Kappa K42N is designed for motorcyclists and scooter riders looking for a spacious yet compact top case, capable of carrying two jet helmets or groceries, a backpack, or work equipment. It is the ideal choice for daily urban use, home-to-work commuting, food delivery riders, as well as short trips out of town and for those who park on the street and want a secure, waterproof top case with excellent value for money.

Frequently asked questions

How many helmets fit in the Kappa K42N?
The K42N has 42 liters and can hold up to two open-face jet helmets, or one helmet plus gloves, groceries, or a backpack. It is spacious yet compact, ideal for daily urban use and commuting.

Does the K42N include the mounting plate?
Yes, it comes with the K628 Monolock universal plate. For vehicles without a rack, a specific Kappa rear mount (KR/KRA series) may be needed: we can help you find the right code for your model.

Is it compatible with the Monokey system?
No, the K42N exclusively uses the Monolock® system and is only compatible with Kappa or Givi Monolock plates, not Monokey mounts.

Is the K42N top case waterproof?
It is water resistant and protects contents from normal road rain. It is not submersible, so for very heavy rain, it is advisable to protect more delicate items.