High-quality Material: Crafted from 6066 seamless aluminum alloy with a joint, this for rear is designed to endure the toughest trails and provide a smooth ride on mountain bikes, including soft tail frames and electric downhill bikes. Advanced Damping and Lock System: Equipped with a sophisticated damping system and a lock feature, this enhances control and stability during aggressive downhill rides, ensuring safety and performance. Optimal Compatibility and Performance: With travel lengths of 50mm and installation hole spacing of 190mm, this rear shock is versatile and suitable for a wide range of mountain bikes. The piston type air mechanism supports a maximum air pressure of 180-250psi, adapting to various rider weights and trail conditions. and : Weighing only 290g to 310g, this does not add significant weight to your bike, promoting efficiency and maneuverability. The installation hole inner diameter of 12mm and lining size of 8x24mm a and easy installation. Enhanced Riding Experience: By integrating for 's technology in this air rear , riders experience improved traction and comfort, making it ideal for both casual rides and competitive downhill races. Stroke length:50mm Mounting hole spacing:190mm Mounting hole inner diameter: 12mm Bulb size: 8x24mm Piston type: Air Suitable for: Downhill mountain bikes/Electric downhill bikes Maximum air pressure: 200-300psi Color:Black Material:Aluminum alloy Specification:190MM Silver Label Package Contents: 1 * Bike Air Rear Absorber Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.