Features:

• Optimized design geared hub wheel motor kit with (1-Tube Style down tube water bottle mount Li-Ion battery or 2-Bare battery to be used in a waterproof saddle bag or pannier)
• 350W Rated, 500W Max Power
• Max Speed 32km/h
• Max Torque 55Nm

Suitable For:

• Bicycles which take down tube battery are good with tube battery version
• If you are not concern about thieves and much of rain for pleasure applications, use with bare battery
• Budget complete kit with an electric assist powerful enough to make all rides feel like flat or downhill.
• people bellow 120kg weight,
• continuous up-hills with 7-10% road grade