Description
【Middle Motor System】BBS02B 500W 36V G340 M315 Series M215 Central drive motor with built-in speed sensor, maximum torque 100Nm, offers more driving enhance. Economical and easy to maintain. Suitable for mountain bike, road bike, commuter bike. It isn’t recommended to install on carbon fiber bicycles to avoid damaging the frame. With three modes, electric, pedal assisted and normal, it meets the needs of daily commuting.
【Installation Requirements】Suitable for V-brakes and disc brakes, not counterpedal brakes. Only for drive chain system, not suitable for drive belt system. Compatible with 68-73mm middle movement bicycles, inner diameter of the middle movement within 34-36mm. Please download the center motion and slant tube battery size guide on the product page. Easily confirm compatibility.
【Easy Installation】All necessary tools are included, apart from the tool for removing the axle. It’s easy to find some installation videos on social media. We will be able to send hydraulic brake sensors for disc brakes by default. If you want mechanical brake levers for V Brake, leave us an email. 36T gear wheel without chain protection can be selected, but original pinion is highly recommended.
【Available Warranty and Service】Normally delivery in 5-7 days to your address in the EU (except islands and Switzerland). No additional fees. One year warranty for battery and motor and six months for screen and other accessories. If the screen and other accessories are no longer under warranty, the shipping costs for the spare parts are borne by the customer. We have technical enhance in Poland and online service 24 hours a day.
【Customer Notice】Medium engine kits require a display to work properly, then select your preferred display model in the Color column. If the gear “44T/46T/48T/52T” was selected in the size field, this set does not include the battery, charger and gear sensor. Which want to be purchased one at a time (you’ll be able to install the gearbox sensor or not, it does not impact the normal operation of the engine).
