Description: Made from high-strength T6 aluminum alloy. The suspension seat post is designed to absorb shocks from the road, reducing vibrations during the ride for a more comfortable experience.Features: Composition: T6 aluminum alloy, coil springs and shock absorbing rubber, T6 aluminum alloy, coil springs and shock absorbing rubber Length: 350 mm. Spring travel: 45 mm. Diameter: 30.4mm Rider weight range: up to 100KG (220 lbs) * Due to the shock absorption mechanism of the suspension seat post, replacing it will raise the minimum seat height by approximately 2.2 to 3 inches. Compatibility:This suspension seatpost is designed for bikes that require a 30.4mm seatpost diameter.Please double-check your bike’s seat tube size before purchasing to ensure a perfect fit. Applicable models: Except voyager2.0