Bosch Miranda Chainring Guard for Active, Performance and CX Motors

The Bosch Miranda chainring guard is the lockring with chain protection for Active, Performance and CX motors. Suitable if you need to replace the original ring on your eBike.

• Replaces the original lockring and protects the chainring
• Lightweight and durable: black aluminium weighing just 43 g
• Compatible with Active Line, Performance Line and Performance Line CX
• Includes the O-ring, ready to fit to the motor
• Check the year and chainring: works best with chainrings up to 20 teeth

Technical specifications

• Material: Aluminium
• Colour: Black
• Weight: 43 g
• Diameter: 88 mm
• Compatibility: Bosch eBike Active Line from 2014 to 2017, Performance Line from 2014 to 2018, Performance Line CX from 2016 to 2019, Performance Line Speed from 2014 to 2020
• Pack contents: Chainring guard with O-ring
• Intended use: Replaces the original Bosch lockring; Active and Performance Line require a dedicated lockring tool, not included
• Chainring teeth: Optimum operation guaranteed only with chainrings up to 20 teeth
• Model code: 2100684

Founded in Germany in 2009 as a start-up within the Bosch Group, Bosch eBike Systems is now based in Kusterdingen. It develops motors, batteries and on-board computers to support e-bike riders. In 2010, it presented its first electric bicycle drive system at Eurobike.