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Questions and answers about sports

Shifter clicks in but chain stays on the largest cog, when riding

6 min read

Asked by: Jamaal Filippi

Why is my derailleur not shifting down?

If derailleur does not succeed in shifting the chain into the next largest ring or hesitates, add cable tension. Once you get to the largest cog, shift back into the smallest rings. If there is any hesitation or the chain will not shift back into the smaller rings, remove cable tension until the shift is successful.

How do you fix a bike that won’t shift gears?

Quote from video: So double-check that you have the shifter shifted all the way down to where the cables loose or it could be that you need to adjust the cable.

Why won’t my rear derailleur shift up?

Often sluggish and reluctant shifts are due to debris buildup between the shift housing and the shift cable, kinks in the cable and/or housing, or worn out housing. As above, make sure your derailleur, hanger, and cassette are tight, and your wheel is properly seated and tight.

Why does my bike shift hard?

If your motorcycle is having a hard time shifting gears, it could be due to a dragging clutch. This means that the clutch disk drags and fails to disengage when you press the clutch pedal. The clutch is spinning with the engine which makes it nearly impossible to change gears.

Why does my chain slip under pressure?

These include worn out or misaligned derailleur pulleys, old or malfunctioning shifters throwing off the indexing in some gears, or broken/bent teeth on one or more cassette cogs. Build up of dirt and grime on drivetrain components will also cause shifting issues, including skipping chains.

Why does my bike keep shift gears on its own?

Most of the time, a skipping chain is caused by cable stretch. In the first half dozen rides on a new bike, your shift cables stretch the most. They can also stretch over time as you ride.

Why can I move my shifter but it won’t move into gear?

The real reason for a faulty gear shifter differs from vehicle to vehicle. However, the most significant probable cause is a poor construction or attachment of a flexible cable to the gear selector and transmission connection.

When I pedal my bike it makes a clicking noise?

A clicking noise often comes from your chain wanting to jump up or down a gear on the rear cassette. This can typically be fixed by adjusting the tension of the cable that runs from your shifter to your rear derailleur.

Why is my derailleur clicking?

If you hear a constant clicking (especially in certain gears), it could mean that your shifter cables have stretched enough to pull your derailleur out of alignment, causing your chain to ride between gears or rub on the derailleur cage. First, make sure your derailleur is aligned and that the hanger isn’t bent.

How do I know if my derailleur is bent?

Quote from video: When we're trying to shift. Down becomes quite erratic or vice-versa. The key is to look at the rear derailleur we can see it's bent slightly inward.

What does the B screw do?

Quote from video: The G is the guide pulley it guides our chain across the cassette B is for the B set screw that's the body angle screw that helps position the guide pulley close to the cogs.

How do I get out of Di2 crash mode?

To reset crash mode on 10-speed (6770) and 11-speed Di2 (6870, 9070, R8050, R9150, GRX), you get on your bike and press and hold the button on your junction box for 5 seconds until a red light flashes. The rear derailleur will now go through all the gears, so make sure sure you spin the cranks until it’s done.

Why does my chain skip when I pedal hard?

The chain could be slipping due to natural weakening of the chain. Over time, the chain will stretch out and a loose chain means more slipping when pedaling hard. The chain could also be slipping if your cogs are word down. The cogs/crank also wear over time and can leave the chain with not much to “grab” on to.

What causes chain to slip on cassette?

Worn Chain



The most common reason for the chain to slip on the cassette, or fall from the front chainrings is a worn chain. After a long time riding under high-intensity pedaling, the chain will get damaged and stretched, the rollers will lose their normal shape (rounded) and plates elongates.

What is chain slipping?

Bike chains slipping is a common issue that all bikers have to face from time to time. It happens when your chain skips between gears while you are riding, shifts twice instead of once, or refuses to shift when you change gears. Chain slipping after putting on new bike chains isn’t something unusual.

How do I know if my derailleur hanger is bent?

Rotate the arm of the alignment tool to the 12 o’clock position (pointing straight up). If your hanger is straight, the gauge arm should sit in the same position relative to the rim. If it’s not straight, this will indicate the direction in which the hanger is bent.

Why is my derailleur clicking?

If you hear a constant clicking (especially in certain gears), it could mean that your shifter cables have stretched enough to pull your derailleur out of alignment, causing your chain to ride between gears or rub on the derailleur cage. First, make sure your derailleur is aligned and that the hanger isn’t bent.

How do I fix my Shimano shifter?

Quote from video: So we can usually hit it with wd-40. Break it down let it dry up a little bit and then squirt some maybe some lithium grease back inside. There.

How do you fix a derailleur?

Quote from video: Pull the chain out and you're ready to remove the old derailleur. Most railers are fastened on with a hex bolt. So you'll need your allen keys for this most of the time you can reuse your shift cable.

What does the B screw do?

Quote from video: The G is the guide pulley it guides our chain across the cassette B is for the B set screw that's the body angle screw that helps position the guide pulley close to the cogs.

How do I stop my rear derailleur from clicking?

A clicking noise often comes from your chain wanting to jump up or down a gear on the rear cassette. This can typically be fixed by adjusting the tension of the cable that runs from your shifter to your rear derailleur.