jcs or any bike store
Yes
To replace a bike sprocket, you will need to first remove the chain from the sprocket. Then, use a wrench to loosen the bolts holding the sprocket in place. Once the bolts are removed, take off the old sprocket and replace it with the new one. Secure the new sprocket in place by tightening the bolts. Finally, reattach the chain to the new sprocket.
The purpose of a sprocket in a bike's drivetrain system is to transfer power from the pedals to the wheels by engaging with the chain, allowing the rider to propel the bike forward.
The rear bike sprocket is a gear that helps transfer power from the pedals to the rear wheel. It allows the rider to adjust the resistance and speed of the bike by changing gears. The size of the sprocket affects the bike's speed and ability to climb hills. Overall, the rear sprocket plays a crucial role in the performance and efficiency of a bicycle.
The chainring by the pedals and the sprocket(s) by the rear wheel.
To remove a bike sprocket, you will need to use a chain whip tool and a cassette lockring tool. First, remove the wheel from the bike. Then, use the chain whip tool to hold the sprocket in place while using the lockring tool to loosen and remove the lockring. Once the lockring is removed, the sprocket should slide off easily.
25t means that there is 25 of the little spikey teeth on the outside of the sprocket :]
Chain is on the smallest sprocket on the crank and on the largest sprocket on the rear wheel
To remove a bike sprocket without using a tool, you can try using a hammer and a screwdriver. First, place the screwdriver between the sprocket and the wheel hub. Then, gently tap the screwdriver with the hammer to loosen the sprocket. Once it is loose, you can carefully slide it off the hub. Be cautious not to damage the sprocket or the wheel hub while doing this.
Not a sprocket only, but you can buy a 23-tooth freewheel that should fit.
Depends. Usually there's some leeway for adaptation, but it's possible that your bike was delivered with the smallest sprocket available for that hub.
It depends on whether you are talking about the front sprocket (the one at the pedals, called a chainring) or the sprocket at the rear derailleur. The lowest gear at the front is the smallest sprocket/chainring. The lowest gear at the rear is the largest sprocket. So if you combine the smallest sprocket at the front with the largest sprocket in the rear you have the lowest gear available on your bike.