To view the correct installation instructions for your chainwheel, please choose from the following options below: – Chainwheels Size 0 and 1 – Chainwheels Size 1.5 – Chainwheels Size 2, 2.5, 3, 3.5 – Chainwheels Size 4, 4.5, 5 – Hammer-Blow Chainwheels – Hammer-Blow Chainwheels Size 1.5 – Safety Cable Kits