Kettler Kettrike Oceana Tricycle. At Kettler, big fun comes on three wheels equipped with many unique and patented features. All Kettrikes are perfectly designed according to the children"s anatomic roadmap of motor skills. The Kettrike Oceana has a 5 position Quick-Adjust Easy step through S-frame. 4 position adjustable ergonomic high back seat with hand hold. Oversized slip resistant pedals. Synthetic MaxXtread wheels. Patented limited turn radius steering device and low center of gravity helps prevent tipping. High carbon steel frame with fade resistant powder coat finish. Push bar included. Recommended ages are 1 - 5. Setup Dimensions: 26" L x 19.5" W x 21" H Setup Weight 18 lbs.