In case your interested its a 165mm shock you can get the weight to suit your ride preference lower will be softer,higher will be stiffer. Amazon has some good ones...... JFOYH Adjustable Oil+Coil Spring Rear Shock Suspension, Shock Absorbers for Downhill MTB Bike/E-Bike, 190mm X 550lbs - Red a.co/d/04mPbLIG JFOYH Coil+Oil Shock Absorber Adjustable Damping Hydraulic Rear Shocks For MTB/E-Bike/Scoters, 125MM/150MM/165MM/190MM 550LBS/1000LBS/1500LBS a.co/d/0hdZTiiV EXA Form A5 RR1 Dual Chamber Air Shock Absorber for mtb/scooter/E-bike, 165mm(6.5") x40mm a.co/d/04yyW3lY