The Bosch Purion 400 BHU3500 and Bosch Smart System BRC3100 are electric bike accessory brackets risers designed specifically for Bosch electric bikes. Made of durable black plastic, these accessories are compatible with the Bosch brand and provide a secure and convenient mounting point for additional components. Perfect for cyclists looking to enhance their biking experience with reliable and high-quality Bosch components.These are both brand new were removed from my 2025 cube one 77
