WONDER CORE Slide Fit, Ab Roller Board with 4 Wheels, Automa

4Wheel UltraStability AntiTip DesignSay goodbye to shaky, unstable singlewheel rollers. Engineered with an advanced 4wheel rectangular structure, this ab machine provides unparalleled balance and prevents dangerous sidetipping. US Patent approved and German TuV Rheinland certified, it ensures maximum safety for beginners and fitness enthusiasts alike to focus entirely on core activation. Note Best used on hard floors or a fitness mat.DualWay Kinetic Resistance Safety BrakMaximize your burn with less risk of injury. Features a precision mechanical twoway resistance system that builds smooth tension as you roll out and provides a controlled, steady assist as you return. Equipped with a builtin safety braking mechanism that activates automatically at 5 feet, preventing overextension and protecting your lower back from strain.3 Tailored Resistance Levels for Progressive TrainingCustomize your workout intensity to match your fitness journey. With adjustable dualside resistance gears, you can easily switch between Maximum Assist ideal for beginners mastering proper form, Moderate Assist, or Zero Assist for advanced athletes seeking a hardcore core burn. Its the ultimate progressive trainer that scales with your strength.Versatile FullBody Trainer Core CrusherTransform any space into your personal home gym. Moving far beyond basic abdominal rollouts, this multifunctional trainer allows you to unlock dynamic variations including planks, glute bridges, knee tucks, and lower body slides. Sculpt and tone your abs, obliques, shoulders, chest, arms, and glutes with one compact piece of equipment.Interactive Gamified App Premium HeavyDuty BuildDownload the free Wonder Core Slide Fit apps to access professional video tutorials, workout analytical tracking, and interactive fitness games that keep routines exciting. Crafted with a heavyduty metal frame and premium ecofriendly ABSNBR nonslip materials, it supports up to 264 lbs 119.7 kg. Package includes 1x Slide Fit Roller Compact size 19.3x17.3 open, 1x Premium Knee Cushion Mat, and 1x Workout Guide. MORE DETAILS asin B088LX2H2K bestsellersrank 28,353 in Sports Outdoors See Top 100 in Sports Outdoors 18 in Exercise Roller Wheels brandname WONDER CORE color Green customerreviews 4.6 4.6 out of 5 stars 682 4.6 out of 5 stars itemdimensionslxwxh 17.2L x 11.02W x 4.72H itemweight 8.4 pounds manufacturer WONDER CORE material Mainly metal, plasticABS PP NBR maximumweightrecommendation 119.7 kg modelnumber SF31G numberofitems 1 numberofpacks 1 partnumber SF31G style Ab Roller unitcount 1 Count upc 657258983182