Intended for cyclists (pros and amateurs alike), the Red Shark Fitness Bike Surf lets you train in the cool water while still working up a sweat. Thanks to the 1:10 gearbox, customizable stable-rudder system, and four interchangeable propellers, you can peddle forward or backward with total confidence on the most advanced water bike. The fiber-reinforced board is surrounded by inflatable chambers and helps you feel safe as you maneuver effortlessly in many water conditions (waves welcome!). You can use the Red Shark Fitness without worrying about injury; it’s soft on joints, but fierce on the water! Best of all, high quality aluminum and stainless-steel parts ensure durability and hassle-free maintenance. And when you’re satisfied with your day’s ride, just give it a rinse and store away. Made in EU. Maintenance Free as NO CHAIN design & so no rusting, breaking & chain pulling the weeds. SPECIFICATIONS: Light weight high density 2 piece frame (black) Board: Inflatable MSL fusion, PVC with 3 layer zones, super reinforced dropstich. EVA Anti-slip traction pad. 4 carry handle, 8 D-rings 4 propellers: comfort, training, workout and race day pro Quarter turn premium-inflation valve Bullhorn handlebars for the aggressive rider while having a comfortable feel Red pro foam rubber grips Premium racing saddle with aluminum quick release seat post clamp to adjust to any rider's height 3 + 1 adjustable rudder/stable system 1:10 gearbox with premium cranks and pedals Water bottle and bottle cage Spacious bungee net for personal items Double action floor pump with gauge Multi-tool with 13 functions Removable fin Multi-compartment rolling travel bag