- Absorbs ground impact firmly and reduces shock to the body - Recommended for people who have direct impact on their body, such as rough roads and uneven terrain, and have difficulties - Installs between you without changing the seatpost or fork - You don't have to replace the saddle you are used to - Since the front and rear adjustment can be done by sliding, you can easily adjust the position - The rail uses spring steel, which ensures strength - It is made of imported special alloy steel material with high hardness and wear resistance - It is very durable and does not easily deform - For various bicycles, special for road and mountain - Size: W:6.3 inches × H: 3.3 inches × L: 2.0 inches (16 × 8.5 × 5 cm) - Weight: 0.77 lb (350 g) - Material: special spring steel clamp, aviation aluminum 6061 (rigid material) - Accessories: body clamp, rubber cover, hex key, instructions (English language not guaranteed)