Last Updated on June 24, 2023 by Emmanuel

Converting a mountain bike to a single-speed can be ideal if you are uncomfortable handling several rates or find it challenging to maintain your MTB.
A single-speed bicycle simplifies riding; you only concentrate on driving without constantly changing gears. It also reduces the maintenance fees.
This article details how to convert a mountain bike to a single-speed to streamline your riding and enjoy a better ride.
Why are single-speed bikes better?
A single-speed bike is easy to ride and maintain than one featured with many gears.
One gear lets the rider focus more on techniques than continue changing the gear as you advance on the trails.
Besides, many mountain bikers say a single bike helps to gain more strength and muscles when riding challenging tracks.
A single-speed bike’s maintenance is also easy. It requires standard check-ups: inspect the bearings, brake pads, and wheels.
Preparations.
Spacer kit to make a straight chain line on your mountain bike.
- Rear cog to replace your cassette sprocket; you can use a 16-tooth rear cog.
- A single bike commonly has 1x chainrings; you will probably need 2x or 3x chainrings for your mountain bike.
- A tensioner to keep the chain nice and tight on the rear cog and front chainrings; you won’t probably need this tool, depending on your frame dropouts.
- You can use your current chain by adjusting it; unless it needs replacement.
Besides these parts, ensure you have a chain tool, chain whip, lockring tool, Allen wrenches, twists, and screwdrivers.
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1. Remove unnecessary components.
A single-speed bike won’t need shifters, shift cables, or front and back derailleurs; you can remove them from your mountain bike.
Use Allen wrenches and screwdrivers to remove unnecessary parts from your bike. For the shifters, loosen the bolt with Allen Wrench or a screwdriver.
First, remove the handle grips from the handlebar, then the shifters and pull the housing from the frame can remove them for shift cables and housing.
Afterward, use a wrench to release the connections from the front and rear derailleurs before anything else.
If your shift cables are in the tube, you can pull them out; otherwise, cut cable ties that hold the housing on the frame to remove them.
- Break your chain with the tool to remove the front and rear derailleurs.
- Remove the rear wheel to install the wheel axle and snug a wrench around the axle nut.
- Use a chain whip tool to hold the cassette in a clockwise direction and opposite to remove the lockring.
2. Rear Cog installation.
In the next step, you must install the rear cog; use a spacer kit to align the part with the front chainring.
Position the spacers on the rear wheel before the cog to align it with the front chainring, then slightly tighten the lockring. You can also buy a new 1x chainring.
Afterward, put the wheel axle into the frame dropouts and lay the chain across the cog and front chainring.
Ensure the chain line is straight or readjust the spacer and rear cog’s positions if needed.
Besides, place a straight edge parallel to the front chainring surface to ensure the line is straight.
End the process by inspecting the distance between the chain and the straight edge to see if it is the same from the front chainring to the rear cog.

3. Installing chain.
In the next step, install the rear cog; be cautious about straightening your chain line. A spacer kit efficiently aligns the rear cog with the front chainring.
To avoid throwing away your old front chainrings, use a screwdriver to remove them from the drivetrain and keep the top chainring.
If needed, buy a new 1x chainring and install the part properly after removing the pedals with a wrench.
You must also position the spacers on the rear wheel before the cog to align it with the front chainring; slightly tighten the lockring.
Afterward, put the wheel axle into the frame dropouts and lay the chain across the cog and front chainring.
Check if the chain line is straight to readjust the spacer and rear cog’ position.
Place a straight edge parallel to the front chainring surface extending towards the rear cog to ensure the line is straight.
Finally, inspect the distance between the chain and the straight edge to see if you have done everything suitably.
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Final thoughts.
Converting a mountain bike to a single speed requires removing unnecessary gears to create a simple and efficient bike.
Follow the steps with suitable tools and skills to perform the process correctly.
Furthermore, completing the provided information with others deemed essential to achieve your goals is better.
Excellent post, good content on the subject, and great details on the process of changing a mountain bike to that of one-speed.
There were only one-speed bikes back in my younger days, but I haven’t ridden for many years, and I can see that many things have changed. Thank you for sharing this informative article.
Thank you for your comment.