I don't think you can buy individual sprockets for a cassette. It's also a good idea to get the chain and chainrings checked for wear. A knakered chain on a new cassette is going to ruin the cassette quickly, same with a new chain and old rings/sprockets
I don't think you can buy individual sprockets for a cassette. It's also a good idea to get the chain and chainrings checked for wear. A knakered chain on a new cassette is going to ruin the cassette quickly, same with a new chain and old rings/sprockets