Introducing the revolutionary Reebok RIBCOR Hockey Stick! The RibCorís unique shaft technology features carbon fibers that are permanently in tension. This translates to less effort required to load the stick which helps increase power transfer from your hands directly to the puck for more POP! Itís the 1st stick of its kind, so prepare to have your MIND BLOWN! PLUS, if you purchase a Reebok RibCor Stick between August 16, 2013 & December 31, 2013 and register the stick at ReebokHockey.com, the warranty period will be extended to 60 Days. Proof of purchase is required for the purpose of product registration. Offer is valid on the RibCor, 25K, 24K & 23K Sticks.