This shop quality park tool sr 22 sprocket removerchain whip gives you incredible leverage without worry of slippage park tool sr 22 sprocket removerchain whip features a professional quality chain whip heat treated tubular body will prevent bending and flexing hardened chain pins provide strength for the toughest of jobs nylon coated handle for comfort suitable for all multi speed freewheels and cassettes including 11 speed made in the usa and covered by