How do you put a chain back on a BMX bike?

Start by putting the chain around the small gear on the rear axle of the bike. Next, place some of the chain on the around the big gear by the pedals on the side facing the seat. (This side should be facing down since the bike is upside down.) Keeping one hand on the chain to guide it, slowly start pedaling the bike.

How do you put a chain back on a chain guard bike?

Start by putting the chain around the small gear on the rear axle of the bike. Next, place some of the chain on the around the big gear by the pedals on the side facing the seat. (This side should be facing down since the bike is upside down.) Keeping one hand on the chain to guide it, slowly start pedaling the bike.

Why does my bike chain keep falling off BMX?

Your chain is stretched unevenly. In the first case; if your sprocket is loose on the BB axle then it will inevitably move off centre. … You can check the chain tension by wiggling the chain up and down but if the tension is set up OK you should just be able to feel the extra resistance as you move the pedals.

How do you stop a chain from dropping?

If your chain is coming off at the rear, it’s often a simple matter of adjusting the limit screws on your rear derailleur. If the chain is coming off the inside of the cassette, put the chain onto the smaller chainring (at the front) and the largest sprocket (at the rear).

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Why is my chain dropping?

Most of the time, bike chain keeps falling off can be caused by a the chain itself or bad adjusted drivetrain components, after good riding mileage, the chain will get stretched causing damage to both chainrings and cassette teeth, therefore it loses its good mechanical contact causing the chain to jump from the gear …