I haven't specifically checked the chain stretch on my 2010 Expedition but after 10,000km I'm sure I am do for one.

My question is; what chain should I buy and how many ? I've seen plenty of posts/videos on proper chain length etc...
I'm not looking for any high dollar/light weight chain, just a good replacement.

P.S My trike has a 9 tooth cassette. Should I replace that as well ?

TOBENTRIDER......Stay bent
2006 Candy Purple Catrike 700
2010 Candy Purple Catrike Expedition
Mississauga, ON CANADA