Bell TRACE MIPS Bike Helmet - Black Size:Universal S/M (50-57cm) The drive motor is installed

The drive motor is installed in the rear wheel hub

Housing Construction XEX Outside Diameter 5

Thanks to the I-Spec EV design the Deore SL-M4100-I shifting levers can be mounted directly to the brake lever

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Bell TRACE MIPS Bike Helmet - Black Size:Universal S/M (50-57cm) The drive motor is installedDETAILS ALL PURPOSE PERFORMER Fitness rides, adventure rides, family rides around the neighborhood with its easy, approachable style, the Trace is an all around performer that gives you lots of options. The Ergo Fit system offers a slim, easy to use dial with integrated MIPS, plus No Twist Tri Glides provide smooth fit adjustment. Availability, certification, color, and pricing may vary per region. If outside of the USA, please check with your