Cannondale supersix chainstay

[androwt]

hello from Indonesia,

i want to ask about gap between cassete and chainstay about 1mm or 3mm..because i have my ss6 only 2mm maybe..and sometime the chain hit the frame


thanks

I have few picture..but I can’t send itu here..I don’t how...hahahhaa

 

[King Boonen]

As long as everything is put together fine and the gears are indexed correctly I'm not sure how it's hitting the chainstay. Do you mean it's hitting the area around the dropout or further down the chainstay towards the bottom bracket?