The Alpcour 4-Tier Riser Block is a high-quality training accessory designed for cycling enthusiasts. Made from durable, premium plastic material, this sturdy riser block can comfortably support riders weighing up to 330lbs. Designed to be universally compatible, it accommodates a wide range of tire sizes, including diameters of 26"", 650b, 700c, 27.5"", and 29"" and widths from 23"" up to 29.3"". This wide compatibility makes it ideal for both road and mountain bikes. The Alpcour riser block features an anti-skid design, enhancing safety and stability during high-intensity training sessions. The anti-skid pad at the bottom also prevents any damage to your floor. Each purchase includes a riser block and an extender for those who want to simulate mountain climbing experiences. Additional extenders can be purchased separately for even more climbing scenarios. Alpcour takes pride in the thoughtful design of their products, prioritizing both quality and safety. The robust construction of this 4-tier riser block ensures it can support heavy weights without breaking, and the anti-skid pad enhances overall stability. Elevate your indoor training experience with this versatile and dependable bike accessory.

• DURABLE AND STURDY: The Alpcour 4-Tier Riser Block is made from premium plastic material, ensuring durability and long-lasting performance. It can support riders weighing up to 330lbs, providing a stable platform for intense training sessions.
• UNIVERSAL COMPATIBILITY: Designed to be compatible with a wide range of tire sizes, this riser block accommodates diameters of 26", 650b, 700c, 27.5", and 29", as well as widths from 23" up to 29.3". It is suitable for both road and mountain bikes, offering versatility for cyclists with different bike setups.
• ENHANCED SAFETY AND STABILITY: The anti-skid design of the Alpcour riser block ensures safety and stability during workouts. The anti-skid pad at the bottom prevents slipping, keeping the block securely in place. This feature not only protects your floor from damage but also provides a reliable platform for intense training.
• INCLUDED EXTENDER FOR SIMULATED CLIMBING: Each purchase of the Alpcour 4-Tier Riser Block includes an extender, allowing you to simulate mountain climbing experiences. This adds versatility to your training sessions and provides a more challenging workout. Additional extenders can be purchased separately for further customization.
• THOUGHTFUL DESIGN AND QUALITY CONSTRUCTION: Alpcour prioritizes quality and safety in their products. The robust construction of this 4-tier riser block ensures it can withstand heavy weights without breaking or bending. With its thoughtful design and dependable performance, this riser block elevates your indoor training experience.