Electric Assist Kits

The Bosch PowerPack 500 is the same size as the PowerPack 400 and only slightly heavier, but offers a longer range. When using the Bosch Standard Charger, this lithium-ion battery requires about two hours to charge to 50% and approximately 4.5 hours to charge fully. Once fully charged and together with the Performance Line Cruise, the eBike can ride up to 56 miles. The PowerPack 500 comes as a frame or rack model for all eBike product lines.

Whether visiting friends, enjoying a ride on city roads, or doing some errands with the eBike, the PowerPack 400 delivers the power you need. The lightweight lithium-ion battery is easy to install and remove or can simply be charged using the charging socket on the eBike. Its long service life, compact and easy-to-install design mean that the PowerPack 400 is not only reliable, but also strong on performance. The PowerPack 400 comes as a frame or rack model for all eBike product lines.

Ride Farther Hammer out big days with Range Extender. This compact back-up battery adds 160Wh of power to extend your range by up to 44%. It fits neatly in a standard water bottle cage in the inner triangle, where there's a short reach to the charge port, and secures in place with its included strap — no additional hardware required. Product details - 160 Wh battery - Charge port enables charging both bike and range extender simultaneously - LED battery level indicator - Includes Range Extender user manual - Ships to retailer. Not returnable. - Retention strap and charge cable are required and sold separately

Quickly charges your Specialized SL battery. - Custom Li-Ion battery charger for Specialized SL batteries. - 48V system - Compact and lightweight design. - Equipped with a custom plug and light indication of the charging status.

Our Turbo SL Y-Charger Cable lets you simultaneously charge your Specialized SL Battery and Range Extender. - Custom Y-split cable simultaneously delivers power to both the main internal battery, and the SL Range Extender Battery. - Length: 1000mm

Ride Farther This 85mm cord allows for clean connection to your mountain bike's charge port without extra slack that gets in the way. Product details - 85mm wire length - Charge port enables charging both bike and range extender simultaneously - LED battery level indicator - Includes Range Extender user manual - Ships to retailer. Not returnable. - Range Extender battery and retention strap are required and sold separately