(different wheel size, road&weather condition and rider's weight will have different speed). Hub Motor: Brushless gear Hub Motor. Rim: Double-wall Aluminium Alloy Rim. Wheel Bottom bracket: Rear 135mm-142mm or Front 100mm. If you select "No Display", there is no display.LCD3 and LCD8 display which comes with Brake Regeneration Anti-Charge, cruise Function. LCD8 display with USB function. Half Twist Throttle with electric lock. Your satisfaction is our top priority and we are confident that you will be pleased with our services. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Electric Bicycle Components". The seller is "lightinbike18" and is located in this country: CN. This item can be shipped worldwide.