Product Description The sensor ring for Bosch E-Bike ABS by Magura keeps an eye on your speed The Magura sensor ring for the Bosch E-Bike Antilock Braking System (ABS) is attached together with the brake rotor. It is used to measure the wheel speed, which is essential for ABS. Guidelines for Replacing E-bike Components: Before you replace components on your e-bike, please read through the guidelines for component replacement for CE-marked E-bikes/pedelecs with pedal assistance. Technical Information: Mount: 6-bolt disc Diameter: 127 mm Material: steel Compatibility: Bosch E-Bike ABS Manufacturer Number: 2701638 Contents: 1 x Magura for Bosch E-Bike ABS sensor ring Manufacturer: MAGURA Bosch Parts & Services GmbH & Co. KG Großer Forst 3 72622 Nürtingen Germany info@mbps.de