Sprocket is a PinDrill, especially the Driven Sprocket, which is made of steel, so it's hard to see the performance difference and you tend to choose the cheapest one.
However, the Chinese Sprocket I bought for that kind of use is the worst, and although it's certainly installable and usable, the teeth are badly shaped and the Chain doesn't bite in and separate.
I didn't particularly care for the ride, but it wasn't good enough for me to notice, so I got tired of it and replaced it with the expensive but reliable SUNSTAR.
The difference is obvious.
Since it is such a part, you can't experience any weight gain at all, but you can understand the good and bad of the shape in one shot.
Don't buy the cheap stuff, either, folks.
If you don't have a proper, reliable, top-notch brand, you'll hurt your chain.
Not a good fee ring running without going that far!
Cheap stuff sucks, especially when it's close to an empty run!
You can use any manufacturer if you are a top-tier manufacturer, but I think the domestic Sunstar is the best in terms of quality.
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