Optimist Mods Moth Boro RBA

The Optimist Mods Moth Boro RBA is a high-performance rebuildable bridge designed for Boro-style AIO systems, offering exceptional flexibility, precise airflow tuning, and a strong focus on flavor production. Built for both experienced builders and advanced beginners, it delivers a balance of simplicity, customization, and premium machining.

Constructed from high-quality SS316L stainless steel, the Moth features a compact internal chamber designed to enhance vape juice flavor intensity and vapor density by keeping the coil space tight and efficient. This reduced chamber design helps concentrate airflow directly over the coil for a more focused and flavorful vape experience.

At its core, the Moth uses a single-coil build deck, making installation straightforward while still supporting a wide range of coil styles and builds. The deck is engineered for ease of use, allowing clean wicking and stable performance inside most Boro-compatible devices.