ASB-225 WHEEL BOLTS FOR WHEELS WITH 1/2" DIAMETER HUB WHEEL HUB 1-1/8" TO 2" LONG CAUTION: Disconnect spark plug wire before working on mower. Be certain engine is cold. HOW TO INSTALL: 1. Remove old axle bolt (goes through center of wheel). 2. Assemble new parts as shown below. 3. Be sure wheel bearings run free after assembly. 4. Reconnect spark plug wire. For more details, refer to the installation instructions in your product owner’s manual. PERNOS DE RUEDAS PARA RUEDAS CON CUBO DE 12.