The Suntech PROSPEC RC 54 stiff is a 3-position zoom rod that can be fished at 15'1", 16'5" or 17'7". The recommended tippet range is from 9X to 5X. The rod is a relatively stiff, tip flex rod that will work nicely for keiryu fishing in small streams. The stiffness is such that it would work nicely for tight line nymphing also. For medium to large streams, the PROSPEC RC 63 stiff would be a better choice.
Although ideal for keiryu fishing, the rod's stiffness and bend profile are not ideal for tenkara.