Author: Bosch eBike Systems
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"Extended Boost" is a software feature that was introduced to the Bosch Performance Line CX drive unit (pedal-assist electric motor) in July of 2020. In this video, enduro strongman and eight-time winner of the Downieville Downhill, Mark Weir, explains how to make the most of extended boost by ratcheting the pedals through a technical trail section.
Watch: How to Use Walk Mode, with Mark Weir: https://youtu.be/HO2AG-w2Pbs
Extended Boost is a built-in characteristic of the Bosch Performance Line CX drive unit; it keeps the motor engaged, momentarily "pulling chain" after a rider eases pressure on pedals. This subtle trait provides a short burst or “kick,” assisting riders to clear obstacles and maintain momentum through varied terrain, especially when climbing.
For more information about the Bosch Performance Line CX and all of its features, please visit the Bosch eBike Systems website: https://www.bosch-ebike.com/us/products/performance-line-cx/