Your chain is almost certainly too tight, seeing as this first happened after replacing the wheel.
A couple of mm movement is not slack by any means - you're supposed to have about 2.5cm of movement either way. And as bombadil said - you'll always get tight spots, just make sure they don't bind.
Your chain is almost certainly too tight, seeing as this first happened after replacing the wheel.
A couple of mm movement is not slack by any means - you're supposed to have about 2.5cm of movement either way. And as bombadil said - you'll always get tight spots, just make sure they don't bind.