**Specifications:**
1. **Wheel Hub:** Widened wheel hub for stability and safety, with a new design for strong grip and stability, 300mm in diameter.
2. **8th Generation:** Precision abdominal exercise equipment for targeted muscle activation, allowing for a 5-minute workout equivalent to a 20-minute regular ab roller session.
3. **Enhanced Springs:** Thicker and smoother rebound with reinforced stainless steel springs for seamless performance.
4. **Rear Wheel Drive:** Powerful rebound and automatic braking system suitable for both men and women, ensuring smooth and stable performance.
5. **Noise Reduction:** 6-layer composite material construction for noise reduction and anti-slip properties, providing a silent workout experience.
6. **Weight Capacity:** Gold standard four-corner structure with a weight capacity of 200 pounds, featuring a rectangular support structure for added stability.
7. **Sturdy Construction:** Thickened 8mm steel tube with multiple layers of corrosion-resistant coating for durability and rust prevention.
8. **Wider Elbow Support:** Ergonomically designed with memory foam padding for extended comfort during workouts.
9. **Tread Anti-slip Design:** Soft and wear-resistant tread material for floor protection and secure grip on various surfaces.
10. **Multi-functional:** Versatile equipment for abdominal and core muscle training, combining elbow support ab roller and plank support trainer.
11. **Easy Installation:** Quick and hassle-free assembly with a portable snap-on design for instant setup.
12. **Phone Holder:** Convenient phone holder for entertainment during workouts, compatible with most smartphones.
13. **Progressive Training:** From beginner to advanced levels, offering effective muscle group workouts with varying stretch distances.
14. **Product Details:** Please refer to the detailed specifications for more information. For inquiries, feel free to contact customer service.
**Brand:** LI-NING
**Product Name:** Automatic Rebound Four-Wheel Tank Ab Roller
**Model:** LJST869
**Dimensions:** Length 110mm, Height approximately 14.5cm
**Material:** ABS + Rubber + Steel
**Usage:** Exercise joints, abdominal muscles, and core muscle groups
**Target Users:** Fitness enthusiasts, suitable for both men and women.
