Originally Posted by
indyfabz
None are absolutely necessary. But if you want to avoid potential trouble, you should have flat changing stuff. A set of hex wrenches can also be handy. I have never needed anything more. Knock on wood. Some people feel more comfortable with a chain tool.
Ditto, except, a definite yes on the chain tool.
Not wanting to knock brands, but have had 2 brand new Shimano chains snap on me. Switched to KMC and never had a problem.
If you have rim brakes, a spoke wrench is also a really good idea