Single-Speed Bicycle Chain Replacement

Written By: SaniaHey

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Difficulty

Moderate

Steps

Time Required

45 minutes - 1 hour

Introduction

This guide demonstrates how to replace the single-speed chain on the Bambike Mira Nila Bolt, which is famous among users for its comfort and looks.

Since this bike model can't switch gears, the chain is considered a single-speed chain. This chain makes it possible for the pedals to move the bike wheels.

Replacing the chain is important because a worn-out chain can cause damage to other vital parts of the bike. A chain can even fall off if it isn't replaced in time. If you replace your chain, you not only prolong the life of your bike, but you also ensure your safety while riding.

Please note that this repair can become messy when touching various bike parts.

Tools

Parts

Single speed chain

Step 1

Flip the bike upside down for easy access to the rear wheel and chain.

Step 2

Use either an Allen or crescent wrench to loosen the nuts of the rear wheel of the bike. Make sure to do this on both sides of the wheel.
This step will require a 5mm Allen wrench or a crescent wrench, depending on the type of wheels you have.

Step 3

Place the chain breaker tool over the old chain.
Insert a link of the old chain into the chain breaker tool.

Step 4

Turn the knob on the chain breaker tool until the pin within the chain has popped out.
Remove the old chain.
This step may take some finesse to ensure that the pin falls out.

Step 5

Unbox the new chain and place it on the chain ring.
Align the rings with the gears to ensure a proper fit.

Step 6

Wrap the chain around the cog of the rear wheel and bring the two ends of the chain together.
The chain should be long enough so that it can move up and down ~1/2 inch when secured.
Remove the excess chain using the chain breaker tool. Refer to steps 3 and 4 for how to use the chain breaker tool.

Step 7

Locate the master link of the chain.
A master link is a single removable link segment on a bike chain. It connects the two ends of the chain together.
Insert the link pins into the two ends of the chain.

Step 8

Place the link face onto the link pins.
The chain is now secured.

Step 9

Once the chain is on, pull the rear wheel back.
Tighten the nut on the drive side (right side) of the rear wheel.
The drive side of a bike is the side with the gears. This is usually on the right side, as seen in this model.

Step 10

Push the front end of the rear wheel to the non-drive side (left side) of the wheel. This pulls on the chain, creating tension.
Tighten the nut on the non-drive side (left side) of the wheel.