Bolt size for 'Cr@p Flap'

Originally Posted by 5v5 rider

sorted - got one from b&q - it was a m6 but I could only get a 20mm but as it turns out that goes in fine too - so thanks for all your help!!! 9p for the bolt BTW

The bolt goes into a hollow section of the swingarm, 15mm as a minimum more than anything.

bought a handful of M6 x35mm bolts because i tend to find them useful and can be cut to size.