Specification: Spring shock absorber.Bushing length is: 24 x 24mm, inner diameter of eye is: 8 x 8mm.Size: 165mm(6.5")/ 190mm(7.5").Replace a poorly functioning rear shock on your mountain bike with new Shock Absorber.Please make sure that the spring nut has been against the spring before riding.Feature: High strength, good corrosion resistance and high toughness.Excellent workmanship, with delicate details. Easy installation, with strong structure.Applicable: XC Soft tail, electric bikes, MTB, Scooter, Folding Bicycle.Pounds: 150lbs , 250lbs , 350lbs , 450lbs , 550lbs , 650lbs , 750lbs , 850lbs , 1000lbs,1250lbs , 1350lbs , 1500lbs , 1800lbs , 2000lbsChoose your appropriate pounds:150 Lbs: suitable weight: 20--30kg250 Lbs: suitable weight: 30--35kg350 Lbs: suitable weight: 40--50kg450 Lbs: suitable weight: 55--65kg550 Lbs: suitable weight: 70--80kg650 Lbs: suitable weight: 85--95kg750 Lbs: suitable weight: 100--110kg850 Lbs: suitable weight: 115--125kg1000 Lbs: suitable weight: 130--140kg1250 Lbs: suitable weight: 140--150kg1350 Lbs: suitable weight: 150--160kg1500 Lbs: suitable weight: 160--170kg1800 Lbs: suitable weight: 180--190kg2000 Lbs: suitable weight: 190--200kgDescription: 100% Brand New & gh Quality. Package include:Bike shock absorber * 1Upper and lower bushing screws: * 2Note:Attention:Please make sure that the spring nut has been against the spring before riding[100% Satisfaction Guarantee] -Guarantee Quality / Guarantee Customer Service / Guarantee Service. If you have any questions, please feel free to contact us. We will give you a satisfactory answer within 24 hours.