https://www.rabe-bike.de/en/bosch-nachrust-kit-purion-400-31-8mm-bhu3500
Bosch Purion 400 / 31.8mm Retrofit Kit (BHU3500)
Display for Bosch e-bikes | 31.8mm version - Bosch retrofit kit Purion 400 / 31.8mm (BHU3500) - order now at RABE Bike!
retrofit kitboschpurion
https://asbike.es/en/electronica/21671--4054289011161.html
Bosch Display Purion 400 (BHU3500) EB1310000H
bosch displaypurion