
The ELECTROSPORT ESR439 regulator is a replacement electronic unit designed to manage the voltage regulation of the charging circuit for motorcycles equipped with three-phase alternators. Compact and plug-and-play, it supports a 12 V system and connects via a 2-fold plug block B (1 x green, 1 x red).
Suitable for certain HONDA CBR models (see compatibility). Examples of compatible motorcycles:
WARNING: This regulator is not suitable for lithium-ion batteries — using it with a lithium-ion battery may damage the battery or other electronic components. Technically modified controllers are not accepted for exchange.