I have just bought the bike, it has mismatched tyres, i have looked about and found bt45's in the correct sizes and pirelli sport demons, which of the two are better and are there any other option? thanks chris

I had the Bridgestones on my nc21 and my nc24 and I thought they were great but I have nothing to compare them to.I run my BMW on Michelin macadams which I like or at least they suit the bike.Trouble is you rarely get the opportunity to ride the same bike on different tyres to get a comparison.

Front: 100/90-16 54H
Rear: 130/70-18 63H

Just incase...

BT45's are good, I have them on at the moment. Decent all rounder and last quite a while.

I had sport demons on last time and tbh I didn't notice a whole lot of difference. (aprt from the bt45's being cheaper)

i brought mine mail order from blackcircles.com