blocks

I've just adjusted the chain on my tracer only to find on the sprocket end of the spindle turns against the block marking it and also tightening the chain as it spins,I've got round it by holding the sprocket end with an adjustable spanner while my daughter tightened the nut which I've done to...

So Friday I got some new PR4's fitted, whilst fitting the back wheel I screwed the cheese blocks (chain tensioner blocks made from Edam I think) I had read somewhere on this forum someone had used the R&G, I had a look and they seem more practical since the axle head is captive both sides and...