sks germany carter policarbonato chainbow e per bosch gen4 per guarniture max 38 denti nero360 protection. The CHAINBOW guard offers perfect protection. The version for E Bikes is suitable for Bosch fourth generation motors (Active Line, Active Line Plus, Performance Line). Thanks to the telescopic function and the adjustable positioning of the angled bracket, the guard can be adapted to many geometries and component combinations. Material: polycarbonate Extendable from 320 to 450 mm Specific for Bosch 4th Gen motors Material: Polycarbonate