how do i determine correct chain length

[FluffyChicken]

large, large + two links is Shimano's way. Written in their instructions.

http://techdocs.shimano.com/media/techd ... 607882.pdf

Of course that works for bog standard chainring/cassette setups, if you run them out of their spec then you have to decide what you want.

 

[mattbrown]

i always use big big, and rear derraillier at about 45% is a good indicator

 

[albash82]

aye

i always use big big, and rear derraillier at about 45% is a good indicator

same ere.