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USD RBA or Cloud Mods USD (Up Side Down) RBA

The USD RBA is a new RBA from the guys at Cloud Mods and is designed and manufactured in Greece! The USD builds on the success of the Cloud RBA that came out in 2022. It features a new innovative approach to juice delivery.

The beginning of USD RBA was based on the idea of making something different, something unique, a novelty in vaping. During the whole process of designing, prototyping, and testing we wanted to ensure that our project has the extra features that can actually boost the vaping experience. It’s the first top-wicking RBA with 3 different options of liquid control pins. There are also 5 different air pins. That means there are a lot of different combinations of wicking and airflow that can help everyone find the best for every build! We can easily go from MTL to DL vaping, space on deck, wicking and airflow can easily support it! USD RBAs overall size perfectly fits in all OG Boros and most of the aftermarket ones, has a lot of space on deck for “heavy” builds, and still has a 4+ ml of liquid capacity in OG Boros. Keep in mind this is a new design, something totally different from the other RBAs in the market. Every user should take advantage of the features USD RBA provides and find the best built for his personal vaping style! USD RBAs design was not easy to produce. We knew that. Most of the parts need 5-axis machining, precision and quality control should be close to perfection! 

USD Airflow Pins: 1mm, 1.5mm, 2mm, 3mm, 4mm. The Airpins are made from Stainless Steel 316L.

The USD Juiceflow Pins: 2x 1.5mm, 2x 2mm, 2x 2.5mm

Pricing and Availability

The USD RBA has an RRP of $160 Euros.

Learn more in their Facebook group.

USD RBA Specs:

  • SS316L body
  • SS316 screws
  • Black Ketron ® PEEK insulators
  • NBR o’rings
  • 4ml+ e-liquid capacity in standard boro tank

Package Includes:

  • USD RBA •
  • 5 airflow pins 1mm, 1.5mm, 2mm, 3mm, 4mm
  • 3 sets of liquid control pins 2×1.5mm, 2x2mm, 2×2.5mm
  • Bag of spares
  • Authenticity card

Specification: USD RBA


160 Euro

Style (AIO/Standalone)

Stand Alone RBA

Vape Style



Replaceable Pins


Stainless Steel

Photos: USD RBA

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