The Ergotec SP-4.1 patented spring suspension seat post is a high-quality, suspended seat post that ensures a comfortable riding experience. With a diameter of 27.2 mm and a travel length of 40 mm, it provides optimal damping that effectively absorbs shocks and bumps on the road. The seat post is made from robust aluminum 6061 T6 and has an overall length of 350 mm, making it both lightweight and durable. The design is tailored for e-bikes and meets safety standards according to the Ergotec safety level chart. Weighing approximately 440 g, it is a practical choice for cyclists who value comfort and safety. The SP-4.1 is also equipped with a 2-bolt clamp that allows for easy adjustment and installation. This seat post is ideal for anyone looking for a reliable and customizable solution for their bicycles.

• MCU suspension for effective shock absorption
• E-bike compatible and meets safety standards
• Adjustable preload for individual customization
• Lightweight aluminum construction weighing approximately 440 g.