4,000 UNITS SOLD GLOBALLY!! IT WAS PUBLISHED IN THE MAGAZINE ”BiCYCLE CLUB Jan 2020 in Japan”!!? JUST INSTALL IN BETWEEN THEM WITHOUT CHANGING THE SEAT POST OR SADDLE? You don't have to replace the saddle you're used to. Since the front and rear adjustment can be done by sliding, you can easily adjust the position. ?Good Adsorption and High Stability?-Ensure the smoothest ride possible - even over bumpy road - by outfitting your bike with this bicycle seat shock absorber. Shock Absorption?-It has a shock absorption effect that is obvious. Softens road vibrations or shocks and cossets your bottom, makes your bike ride smoother.Notice:If feel too springy,you can adjust the position down through the scale.If have no bounce to it,please adjust the position up through the scale.Becase It has a shock absorption effect different from position scale. Bicycle Seat Suspension Device Bicycle seat rear shocks which can really helped cushion our bicycle seats. It is a big improvement for shocks and the bouncy which is a great a butt and crotch pain saver. Notice:If feel too springy,you can adjust the position down through the scale.If have no bounce to it,please adjust the position up through the scale.Becase It has a shock absorption effect different from position scale. Easy to Use it!?Notice?-Please check all details before you order. Thanks for your support. We service 24hours here.Any questions,please don’t hesitate to let us know. ?FOR VARIOUS BICYCLES, SPECIALLY ROAD AND MOUNTAIN BIKES? ?Size? W:6.3"×H:3.3"×L:2.0" (16×8.5×5cm) ?Weight? 0.77lb(350g) ?Material? Special spring steel clamp, 6061aviation aluminum(stiff material) ?Accessories?Body.Clamp,Rubber cover,Hex wrench. Adjust the position. Because it has different position ruler shock absorption effects--------?Importance?-Since Adjustable Clamp can be adjusted back and forth by sliding, when you determine the position, you must tighten Clamp with hexagon wrench, otherwise it will slide back and forth. ?Detail Display ?We include a hexagonal wrench in the product, which corresponds to the screw of the product, which is convenient for installation. ?Widely Used?-The adjustable spring fits almost bikes on the market,Apply for Mountain Bike, Road Bike, Fixed Gear Bike and so on. ?Raise the Height of Saddle?-The absorber will raise the height of your saddle around 2inchs to 3.35inchs,So please check if your bicycle can do!. ?For Most People?-The absorber bear the weight from 45LBS to 330LBS.So it is suitable for your family. ?Adjustable Design? You can adjust it yourself, adjust to a comfortable position according to your needs, reduce bumps on the road, and improve the fun of riding. ?THE RAIL USES SPRING STEEL? You can rest assured in terms of strength. It's made of imported special alloy spring steel material with fine toughness and wearable. Highly tough and not easily deformed. ?SUSPENSION ABSORBS THE IMPACT FROM THE GROUND FIRMLY AND REDUCES THE SHOCK TO THE BODY? Recommended for people who have had a direct impact on their body, such as rough roads and uneven ground, and have difficulty.Material: Spring Steel. Color: B:Black. Exterior: Painted. Vehicle Service Type: Bicycle. Style: Modern. Position: Front. Brand: ZHIQIU. Date First Available: March 1, 2022. Best Sellers Rank: #138,699 in Sports & Outdoors. Customer Reviews: 3.7 out of 5 stars 22 ratings 3.7 out of 5 stars. : B0B2NWPFSP. Position: ?Front. Manufacturer Part Number: ?Sp01. Exterior: ?Painted. Item model number: ?sp01. Country of Origin: ?China. Package Dimensions: ?6.89 x 3.5 x 2.24 inches. Item Weight: ?1.01 pounds. Model: ?No. Brand: ?ZHIQIU. Manufacturer: ?spbike.