Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to fix stuck bicycle brakes [title] Make sure that the brake pads aren't worn down. [step] Pads that are worn down significantly will stick no matter how much you adjust them. If your brake pads are less than 1/4-inch wide, then you need to replace them.

Ending1: They should be " toed-in, " meaning that front edge of the pads should touch the wheel rim when you press the brake lightly. [title] Check for a lip on the brake pad. Ending2: If your brake pads are at that wide, then you won't have time to fix the brakes until you replace them. [substeps] Brake pads that are worn down significantly will stick no matter how much you adjust them. Ending3: See the " tips " section for more information on how to fix a flat brake pads. [title] Use a car-grade fluid reservoir. Ending4: Road brake pads are the easiest to replace, although you'll need to find the right brand. There are a few basic rules when it comes to replacing your brakes : [substeps] Your brake pads must be worn down to make the turn.

Answer format: ending1/ending2/ending3/ending4