420-10T Sprocket Front Sprocket for Bike Dirt Pit Bike mini ATV 4-Wheeler Universal Motorcycle

Fit my 125cc pitbike and was very affordable!

Went from a 13T front sprocket to this 17T on my daughters 110cc Coolster…. It went from high rpms at 15 mph to 22 mph and still has plenty of take off power

I used this for my 2019 Honda Grom, fits good. I got the 14 tooth, if your looking for stock gearing it's a 15 tooth. Going down to 14 gives you more torque but less speed. Stock, my Grom could go about 68, with the 14 tooth I was topping out at about 59. I also tried a 16 tooth, topped out at about 72.

It fit our Tao tao 125

Gave the bike a nice little power jump well worth money

Exactly what the title says. I purchased the 420 17t 17mm so I can get more top speed on my 125cc DB-x19 apollo only to find out that when I put my sprocket cover back on the chain started to rub the inside of the sprocket cover when the rear tire turned and it doesn’t help that my chain is a 428 and it’s already tight as it is. If I somehow find a solution to this then I will change my rating but until the it’s a one star for me.

I used this on a 125cc Coleman mini quad to help it on hill climbs. The smaller front sprocket helped a bit, which is all I was looking for. Install was simple.

I received the wrong size, but luckily it still worked much better than expected. So I think it actually works in my favor, less loss of top speed.

It fits and works very good for a geo 110 cc 4 stroke bike better then factory setup.thanksghf