Hobie 16 and Hobie 17 side shrouds are the same. If you are wanting to replace all of your wires get a H16 wire set, it comes with all of your standing rigging and single trap, new jib halyard....the works! Your new jib will come with a luff wire, not sure about putting a new one in, just use your old on as a templet if you are going to make one, but unless it is broken I would leave it along, remember your jib luff wire actually holds all the tension on a H16. Hope this helps, the wire set will run less that $190 bucks and is 5/32 black coated, it is defiantly the way to go!
Authorized Hobie/Vanguard/Hunter Dealer
Hobie Division 15 Chairman
Panama City Beach, FL