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Please use the form on the right to contact us, or call 202 794 6620. We are happy to answer any question about electric bikes that we can. 

Allow up to 24 hours for a response - we get very busy helping folks in the store! 

Hope to see you soon! 

ElectriCityBikes Team


4810 Wisconsin Avenue Northwest
Washington, DC 20016
United States


We have carefully curated the most reliable and innovative models of electric bikes from the top brands - Specialized, Kalkhoff, Focus, Raleigh. Come in today to browse and a free test ride - try before you buy! Our head tech has over 5 years experience in all brands and types of e-bikes and kits. Electricity Bikes was founded by City Bikes, pioneers of the urban transportation bike shop in DC since 1988.  

Brose S motor

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Brose S motor

Charlie McCormick

In terms of raw power the S motor lands in the top three - it the latest iteration of Brose's venerable internal belt drive motor succeeding the excellent Brose T of 2017.  Brose uses the same motor for leisure, sporty and off road - the tuning is different to suit each experience. Brose is celebrated as being the quietest and most "natural" feeling power delivery, and the S stays that course while bringing substantial improvements to motor performance.  

The S series most noticeable change over the T is that high torque is delivered over a wider cadence (number of pedal rotations per minute) spectrum - it feels faster and it is, on par with the Bosch Performance series. By improving heat dissipation, the power output can be closer to 100% (vs 85% on the T) of the motor's potential without risk of the motor shutting down from overheating, and efficiency and tuning upgrades promise range improvements. There are several versions of the S motor optimized for each use - street 20mph and street 28mph, and off road for steep climbs.  Specialized uses the S motor, but calls it "Turbo 1.3" and there's an app that you can tune motor performance via bluetooth on your smartphone.