Hi there, I have upgraded an old Bladez ex350 scooter to a 48V 1000W motor and
controller. Im looking for more gearing options. The torque is crazy awesome
on this scooter now. Problem is top end speed. It will pull me up a 20 degree
grade hill at 15 mph but tops out around 15 mph on level ground also. Current
gearing is 11/70 for a gear ratio of 6.4 . The motor is a ZY1020 using a #25 11T
sprocket. The wheel sprocket is the stock bladez 70T sprocket. The bearings
that I replaced are 10x26x8. Here are some pics. I believe the #25 13T Dual
bore motor sprocket you have will fit. The ID motor sprocket is 10mm. However
for the wheel sprocket its hard to get an accurate ID on that. Here are some
pics of the setup. Looking for a wheel sprocket around 50T. Nor sure if the
holes will line up. The wheels are the stock bladez 350 wheels. I think that the BladeZ is not a standard size wheel sprocket from what I can find. In summary, where can I find a wheel sprocket to fit a 200-75 bladez tire and wheel? Does anyone sell a bigger 15T-25T motor sprocket for a ZY1020 motor?
I have never seen a sprocket for a ZY1020 or MY1020 motor larger than 13 teeth. The 70 tooth wheel sprocket in your photos is a very unique part and only used on Bladez scooters and other scooters made in the same factory during the same years. I do not know of any other wheel sprockets with the same ID and bolt hole spacing that are a different size than 70 teeth.
We can make a wheel sprocket to your exact specifications. Here is a link to our custom-made sprockets page:
We do not sell any parts like that. I would check out a hardware store for brackets to mount the controller to the frame. They should have Simpson Strong-Tie brackets which come in many different shapes and sizes. A hardware store will also have storage boxes that might work for the project.