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@SteveMc
Hi everyone,
First of all please accept my apologies. I'll explain, when I signed up to this forum I intended to purchase a Charge Grinder but I read lots about single speed bikes and decided that someone who is older, overweight, not really fit, (I just travel a commute of 4 miles, although I have done this for a year now), and have dodgy knees, yes basically falling apart.
Anyway I have ended up purchasing a Charge Mixer, with 8 speed hub gear. I bought from Evans and it arrived yesterday, ok the pedals were missing but I have managed to find a couple to get me out of trouble until the others arrive.
Now my question, the chain tension seems to be very tight, when I was younger I was always taught that there should be a 1/2" play but mine can be moved about 1/2" but I am having to use a lot of force to do so. Another thing, when I try to spin the pedals backwards they don't spin freely and grind to a stop within 16th of a turn.
Is this right?
If it isn't, the adjustment is via an eccentric bottom bracket, now there are 2 allen grub screws underneath that I guess would need to be loosened so that the BB can be turned to adjust the tension, but do I need a special tool for this? I tried last night without a tool but it would turn at all. And do you only need to do one side and it will do both sides. Sorry haven't much knowledge on this sort of thing.
If I haven't made any sense, please ask and I'll try and make mysel clearer:)