The Chain Keeper inserts into the right rear dropout when the wheel is removed for cleaning, storing, or transporting your bike. The quick-release lever allows for fast and easy installation and removal.Takes place of rear wheel providing tension on chain to protect chain and frame when rear wheel is removedAllows full forward or backward rotation of drivetrain making it perfect for cleaning, storage, or transport Shift the rear derailleur to the highest gear as you would with most wheel removals and remove wheel from bikePosition Chain Keeper beneath the upper chain as you would when installing a wheel. Be sure that the quick release lever is facing the drive side of the bike.In the same way a wheel is installed, push the chain upward with the Chain Keeper. This may require the rear derailleur to be pivoted rearward using your other hand.Continue pushing Chain Keeper upward until axle is positioned in the dropout. Tighten the nut of Chain Keeper and close quick release lever to secure Chain Keeper in place.---