
I'm building my new bike (first time, so a lot of learning happening!). My GRX ear derailleur didn't come with any housing. Apparently Shimano recommends using OT-RS900 for the last bit of housing, but my understanding is that it's warranted only for tight runs.
Would this qualify as a tight run, or am I OK with the basic Jagwire LEX from my LBS?
by Gwouigwoui