We offer discount for large quantity. Welcome to contact with us! A 500-pound spring is about 5mm thick
The 600-pound spring is about 6mm thick
The 650-pound spring is about 6.5mm thick
The 750-pound spring is about 7mm thick
The 1200-pound spring is about 7.5mm thick
The 1500-pound spring is about 8mm thick
Package:1pcs bicycle shock absorber