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chiroshi
Can I use Shimano Ultegra R8070 flat mount calipers with flat bar levers?
As I understand then all Shimano 2-piston hydraulic calipers use 22mm diameter pistons.
But what about hose? Shimano has several hose series.
Shimano Ultegra R8070 caliper use the SM-BH90-JK-SSR hose.
Shimano BL-MT401 levers use SM-BH59-JK-SS or SM-BH90-SS hose.
Is the hose identical as long as it is BH90?
I assume that the only difference between these are the connection screws supplied with the kit? Also olives and inserts?