High-Performance Rear Shock Absorber for Mountain Bikes - Heavy Duty Coil Spring Suspension with Stainless Steel Damper | Perfect for Off-Road Trails, Downhill Riding & Bumpy Terrains

Rebound damping adjustmentUse the rebound adjuster knob to fine-tune the return speed of the shock (rebound damping). Rotate the regulator clockwise to slow down the return speed, turn the regulator counterclockwise to increase the speed, and turn counterclockwise to increase the return speednoteThis shock is not suitable for aggressive riding, such as free riding, downhill or jumping. Improper use may cause personal injury or electric shock and invalidate the warrantyAdjustment method: rebound/preloadSeries: 2 series coil impactUsage: mountain bike, electric bicycle, electric scooter...Spring type: coil.Damping: hydraulic.Material: CNC alloy.Surface treatment: anodic oxidation.Sleeve: DU/spherical bearing is optional.Spring stiffness: 650 pounds/inch.Color: blackLength/stroke options: 125/18mm (4.9 x 0.71 inches).150/30 mm (5.9 x 1.1 inches).165/38 mm (6.5×1.49 inches).190/50 mm (7.48×1.97 inches).Weight: 166-211g (without roll)Packing: 1 shock absorber + 2 pairs of screwsNOTE: Please choose the number of pounds you need to avoid unusable receipt of the goodsIf you have any questions about the product, please contact our customer service staff, we will provide you with quality service and help, thank you for your understanding

Damper shaft: Damping: 2 System adjustment: Rebound/Preload (equipped with adjustable preload force coil spring and rebound damping adjuster, used to maintain the damping of air and oil separation), made in Taiwan.

Product specifications: high-quality surface treatment: CNC alloy material, dark hard anodized treatment, coil spring

Bushing: DU/optional spherical bearing. The top bushing size is 8mm x 24mm; the bottom bushing size is 8mm x 24mm

Features: high strength, durable, anti-fracture, anti-corrosion.

Occasion: This coil shock absorption package has many functions of high-end shock absorbers. This rear shock absorber is a perfect enhancement for mountain bikes, electric bikes, scooters and other bicycles.