Shock-Absorbing Bicycle Suspension Seatpost - 27.2mm/30.9mm/31.6mm Diameter for Road, Gravel & Mountain Bikes - Comfortable Cycling on Rough Terrains & Long-Distance Rides

1. Tighten ghreaded collar for free play adjustment to stop shaft side-play.2.If youfeel the product is not functioning properly or user weight changes, you may us allen key to adjust the tension of coil spring from the nut. After adjustment, nut shall be fully engaged inside the tube.3. Please put the safety protective cover on the seat post before riding.4. Please keep your limbs away from the seat post while riding.5. Please keep children or passenger away from the seat post while riding.6. Make user refer to the locking torque shown instructions included, otherwise it may lead bolt to be broken and cause personal injury due to excessive strong/weak torque.

Diameter 27.2mm/28.6mm/30.4mm/30.9mm/31.6mm/31.8mm/33.9mm/34.9mm.

Suspension travel 50mm, length 365mm, off set25mm, weight 27.2mm(1.8lb),30.9mm(1.92lb),31.6mm(1.95lb).

Made with aerospace grade material 6061-T6 aluminum alloy.

Progressive coil spring for optimum suspension function.

Pro-loaded adjuster nut for suspersion function adjustability.