BigBoyND wrote:
I found some guides online, but not many for road/tt. The two I found were as follows: 1. put the chain on the ring and smallest cog, then see where the chain meets and add 4 links (maybe it was pins). Compared to what I have, that would be removing quite some length.
2. same as above but take the chain through the derailleur and pull it together just a bit, adding tension to the chain. For me that would mean adding some length.
1. You mean biggest. and it's 2 pins I believe.
From ~5:00
Method 2: (through the derailleur, round the smallest sprocket, pull only enough tension to prevent the derailleur binding) creates the lowest chain tension, which theoretically gives lower friction, but in 1x context maybe increases derailment risk?
Method 1 gives you highest chain tension.
Method 2 gives you more leeway if you want to fit a bigger cassette in future.
Either way, what you have looks fine, just leave it.