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More compatibility：
428 12 tooth front sprocket for many Chinese pit bikes and ATVs like 50cc, 70cc, 110cc, 125cc, 140cc and 160cc. Bikes like SDG, SSR, Pitster Pro, Taotao, BBR, OMG, Baja. For motors like Lifan, Lcocin, YX, Jialing
Fit Chain Size: 428 chain
Package includes:
1 x 428 sprocket
1 x Cir-Clip
1 x retainer plate
2 x bolts
Detailed Size
Manual measurement may contain errors
The diameter of the outer hole: 6mm/0.24"
The diameter of the inner hole: 14mm/0.55"
The distance of the holes: 34mm/1.34"
The thickness of the sprocket: 7mm/0.275"
The overall length of the sprocket: 53mm/2.08"
17mm/0.66" engine countershaft diameter
Here are more details
- Steel with hot-treatment
- Long durable
- With excellent corrosion resistance
- Harder, Stronger, and Longer-lasting
We offer the sprocket with the teeth from 10T to 18T of size 420# and 428#.
The more gears there are, the faster the speed will increase and fuel consumption will increase, but the top speed will decrease.
Conversely, if the number of gears decreases, the growth rate will slow down and fuel consumption will also decrease.
The number of teeth is different, the starting speed and fuel consumption of the motorcycle will change. You can choose the sprocket you need according to your needs.
LeAnn
Reviewed in the United States on March 10, 2025
Fit, durable, easy to install
joel olsen
Reviewed in the United States on September 15, 2024
Fit without having to do any modifications and gave me the little boost I was looking for. Happy customer
Yup
Reviewed in the United States on August 7, 2024
Easy to put in ,built very well , Works very well
Jeremy N.
Reviewed in the United States on August 1, 2024
The teeth on the inside of sprocket are to large to fot on the spline. The amount of teeth are correct, the hole size is correct, but the teeth on the spline side are not.
iLeaveReviews
Reviewed in the United States on July 29, 2024
Not sure if it really increases the speed tho. Will have to look more into it
Tom
Reviewed in the United States on June 12, 2024
Perfect fit and correct chain pitch. Factory size is a 16 tooth. The 17 tooth will give you more top speed.
WHackley
Reviewed in the United States on May 7, 2024
Fit my Kayo fox 70 just fine. The metal bracket that comes with it is junk, chain hits it because it’s to big. Used original.
hatch
Reviewed in the United States on May 12, 2024
I verified that the CF Moto Cforce 110 uses a 428 style gear and wanted to get a little more take off power as it is laggy when taking off on any type of incline. This 12 tooth gear is the smallest gear that will work with the stock bolts/retaining clip (stock is a 13 tooth) so I tried it and it was perfect (I had a 10 tooth with a snap ring to hold it in place and it was clunking around and only did 21mph). This 12 tooth goes 25 mph (stock was 27 mph) and it picks up speed a lot better so it is perfect!
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