* Suitable for both front and rear motor.
* Securing the torque arm to bike tube or fork with a hose clamp.
* Galvanized metal for safe use.

Specification:
* Material: Galvanized iron 
* Quantity:2 Set

About this item

• This steel bicylce Frame for 3000w -5000w electirc mountain bike.Suitable for most wheel sizes：26/24/21/19 inch；
• Durability Material: Iron Steel (thickness 2mm) ,Plastic cover which is using high quality strong ABS+PMMA anti-scratch glossy plastic.Net weight of the whole kit: 23KG.
• It including the Frame body, Saddle bracket，Controller box，Rear flat fork (including bottom bracket)，Battery casing，Head tube，Cover，Bolts and washers for assembling；
• First choice for assembling electric Bicycle DIY Kit：Anti-rust treatment inside and outside the steel pipe, longer service life; robot welding, more stable quality；
• Rear shock: Width 24mm,200mm spacing are suitable. The top mounting of the shock absorber has several positions, which provides an opportunity to use shock absorbers of different lengths and stroke, as well as change the geometry depending on the riding style.

* Built to the highest international standards, CE
* 48V 1000W and 750W super power Brushless Gearless Hub Motor

* Restricted to 750W and 16mph (25km/h) by default as a road-legal kit
* Nylon tire & alloy rim & stainless steel spoke
* Rare-earth metal magnet are used in the motor to efficiently produce large power
* Aluminum alloy Powerful Controller guarantee big current supply
* Adjustable 5 Level Intelligent Pedal Assist with twist throttle
* LCD Display shows battery level and pedal assistance settings
* Brake Levers cut off the power supply to the motor safely
* Crank speed sensor for 8 Point High Efficent Pedal Assist