Chain and Gear Problems - Please Help!
Hi, I recently bought a second hand bike and got it home and found the following problem. I was wondering if someone could point me in the right direction please?
1. I can't seem to change gear at all (presume that this could be that I need to tighten up the gear cables?)
2. Whenever I stop pedaling to free-wheel, the chain makes a crunching noice and then goes completely slack. If I start pedaling again it eventually gets back onto the cogs.
Any advice or pointers would be extremely useful. I am a complete newbee at cycling but would like to have a go at fixing it myself if I can, just for experience.