An Elegant Companion
Whether heading to work in the morning or dining out in the evening, the Active Line brings joy to city cycling—even in rush hour. Efficient, lightweight, and quiet—ideal for urban commuting. With controlled acceleration—even above 25 km/h or when assistance is turned off—pedaling becomes only slightly harder, turning every ride into an adventure. Moreover, this is a particularly elegant drive system that received the Red Dot Design Award. The unit integrates perfectly into the frame and, thanks to its low weight, is easy to handle—making cyclists' lives easier.
Quick Overview
Facts
Carefree Riding
Minimal weight: Thanks to the innovative design, the drive system weighs only 2.9 kg.
Clean e-Bike Design
Smaller is more beautiful: the compact Active Line unit integrates perfectly into the bike frame.
Award-Winning Design
A treat for the eyes: smooth shapes and appealing lines define a new level of beauty. Bosch received the Red Dot Design Award for the Active Line Plus design.
Relaxing Rides
Smart support: the multi-sensor drive system performs over a thousand measurements per second, ensuring smooth energy delivery. The optional coaster brake function also makes braking more convenient.
Quiet Travel
The system operates almost silently: with the quiet Bosch motor, cycling becomes a pleasure free from distracting noise.
Natural Cycling Experience
Like gliding: acceleration is controlled, and even above 25 km/h or when support is off, pedaling becomes only slightly harder, ensuring a natural riding experience.
| Bosch Active | |
| Weight | approx. 3.1 kg |
| Torque | approx. 40 Nm |
| Speed | 25 km/h & 20 mph |
| Q-Factor | 175 mm |
Natural Cycling Experience
Controlled acceleration—even above 25 km/h or when support is off—means pedaling only slightly intensifies, ensuring a natural ride.
Relaxing Rides
Smart support: the multi-sensor system performs more than a thousand measurements per second, ensuring smooth energy delivery. The optional coaster brake enhances braking comfort.
Coaster Brake Function
The Active Line drive system is also available with a coaster brake, making braking easier.
Electrical Connections
Connections for the battery, sensors, and lighting system
Plastic Gear
The motor transmits torque quietly and efficiently to the axle and via that to the chainring
Torque Sensor
Detects pedaling force and relays it to the motor controller
Motor Controller
Ensures operation of the drive system
Main Crankshaft
With gear transmission
Gear System
The Active Line is compatible with both derailleur and hub gear systems.
Unique Riding Experience
Controlled acceleration—even above 25 km/h or when support is turned off—makes pedaling only slightly harder.
Reduced Wear
The Active Line's gear sensor system enables smooth and seamless gear changes.
For Peaceful Riding
The quiet drive system provides just the right amount of support up to 40 Nm for enjoyable cycling—especially on flat terrain up to 25 km/h. Weighing only 2.9 kg, the drive system is a featherweight champion and key to agile and easy handling. The smooth contours and harmonious design lines represent a new category of beauty. The Active Line Plus design was awarded the Red Dot Design Award.
Motor Range
Compatibility
Technical Information
Technical specifications of Bosch drive systems and components, as well as estimated ranges, can be downloaded from here.
The content and graphics featured on this page are directly sourced from Robert Bosch GmbH / The copyright of the original content and graphics is owned by Robert Bosch GmbH.