The Bosch Smart System Rim Magnet Sleeve is a genuine Bosch spare part designed to securely fasten the Bosch Smart System Rim Magnet to your eBike's wheel valve. This small, crucial sleeve ensures the magnet remains precisely positioned for accurate speed data transmission to the motor's integrated sensor, maintaining optimal eBike performance.

• Rim magnet adapter for use with Presta valve
• Compatible with Bosch Smart System