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BoschThe new super motor?

Florentin Vesenbeckh

 · 06.11.2019

Bosch: The new super motor?Photo: Markus Greber
Bosch: The new super motor?
The Generation 4 motor from Bosch is intended to set a new benchmark. If you believe the manufacturer's advertising messages, the new motor can do everything better. We have tested the promises in the laboratory and in practice.

Thrilling video footage, challenging trails, impressive landscapes. The new video by Bosch representative Stefan Schlie shows e-mountain biking at its best - wow! But beware: it's also full of superlatives. Sponsor Bosch raves about his new super engine, the Performance CX drive.

Sure, that's how advertising works. In EMTB 4/2019, we compared the new e-bike drive unit directly with the competitor Brose Drive S Mag tested. In the lab and in practice. We explain what the Gen4 drive from Bosch can really do and where its strengths and weaknesses lie.

The modulation and response behaviour of the motors can only be determined in extensive practical tests.Photo: Markus Greber The modulation and response behaviour of the motors can only be determined in extensive practical tests. Maximum power, reach height, dynamics - the EMTB roller test rig is indispensable for testing the hard facts.Photo: Markus Greber Maximum power, reach height, dynamics - the EMTB roller test rig is indispensable for testing the hard facts. EMTB 4/19 - The magazine for e-mountain bikers is in stores from 8 October. You can get the new EMTB conveniently in the <a href="https://www.delius-klasing.de/abo-shop/?zeitschrift=233&utm_source=emb_web&utm_medium=red_heftinfo&utm_campaign=abo_emb" target="_blank" rel="noopener noreferrer">subscription</a>, at newsagents and also in our <a href="https://www.delius-klasing.de/emtb" target="_blank" rel="noopener noreferrer">online shop</a> and as <a href="http://digital.emtb-magazin.de/" target="_blank" rel="noopener noreferrer nofollow">digital edition</a> for all end devices.Photo: EMTB Magazin EMTB 4/19 - The magazine for e-mountain bikers is in stores from 8 October. You can get the new EMTB conveniently in the subscription, at newsagents and also in our online shop and as digital edition for all end devices. Bosch Performance CX New motor, new battery, new display - with Generation 4 of the Performance CX system, Bosch wants to raise the bar for high-end drives. The centrepiece is the significantly slimmed-down motor, without an upstream gearbox and a 625 watt-hour Intube battery. The new Kiox display replaces the outdated Intuvia display.Photo: Hersteller Bosch Performance CX New motor, new battery, new display - with Generation 4 of the Performance CX system, Bosch wants to raise the bar for high-end drives. The centrepiece is the significantly slimmed-down motor, without an upstream gearbox and a 625 watt-hour Intube battery. The new Kiox display replaces the outdated Intuvia display. Brose Drive SMag complete system With the arrangement of drive, battery and display, Brose is offering a complete system for the first time. The new SMag motor has increased in power and comes in a lightweight magnesium housing. The battery is designed for integration in the down tube and has 630 watt hours. Brose provided us with a sample bike with the complete system for the test; bikes with the new battery will probably not be available in shops until autumn 2020.Photo: Hersteller Brose Drive SMag complete system With the arrangement of drive, battery and display, Brose is offering a complete system for the first time. The new SMag motor has increased in power and comes in a lightweight magnesium housing. The battery is designed for integration in the down tube and has 630 watt hours. Brose provided us with a sample bike with the complete system for the test; bikes with the new battery will probably not be available in shops until autumn 2020.
Florentin Vesenbeckh

Florentin Vesenbeckh has been on a mountain bike since he was ten years old. Even on his very first tour, he focussed on single trails - and even after more than 30 years in the saddle of an MTB, these are still the quintessence of biking for him. He spent his youth competing in various bike disciplines and later his cycling career was characterised by years as a riding technique coach. Professionally, the experienced test editor now focusses on e-mountainbikes. In recent years, the qualified sports scientist and trained journalist has tested over 300 bikes and more than 40 different motor systems in the laboratory and in practice.

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