Removing a bike chain without a specialized tool can be challenging, but it's still possible with some improvisation. Here's a method you can try using basic household tools:
Prepare the tools: Gather a pair of pliers and a hammer. The pliers will be used to loosen and remove the chain pins, while the hammer will help tap them out.
Identify the chain pin: Look closely at the chain links to locate one that has a small indentation on the side of the pin. This pin is referred to as the master link or quick link. It's designed to be easier to remove without specialized tools.
Position the chain: Place the chain on the smallest chainring at the front and the smallest cog at the back. This relieves tension on the chain, making it easier to manipulate.
Remove the master link: Using the pliers, grasp the side plates on the master link and apply gentle pressure to separate them. This should expose the chain pin.
Tap the chain pin: Position the hammer on the exposed chain pin and gently tap it with a firm but controlled force. The aim is to push the pin partially out from one side. Be cautious not to hit it too hard, as it may cause damage.
Reverse the chain: Once the pin is partially out, flip the chain over, so the partially ejected pin faces the opposite direction.
Tap the pin further: With the chain flipped, continue tapping the chain pin from the other side until it comes out completely. The chain should now be separated.
Remember that removing a chain without the appropriate tool may not be as smooth or easy as using a chain tool specifically designed for the task. It's important to exercise caution and go slowly to avoid damaging the chain or other components. Additionally, when reinstalling the chain, using a proper chain tool is highly recommended for secure and reliable connection.