Shimano 105 brifters – rear shift jumps multiple gears

Asked by: Jack Frank

How do you adjust a Shimano 105 rear derailleur?

Quote from video: The derailleur down into the small cog. Once we do that we're going to turn the barrel adjuster all the way in so that we have room to adjust it. After adjusting the cable position at the anchor.

How do I fix Shimano left shift?

Quote from video: It's easiest if you rotate the shifter. Back it's loosen up the little five millimeter bolt that secures it to the bars. And remove the little Phillips. Screw. There you can remove the little cover.

How do you shift a Shimano 105?

Quote from video: Click that once it's going to drop it. To. Now if I click it once the large shifter.

Can you shift multiple gears at once bike?

It is possible to downshift or up-shift multiple gears safely on a motorcycle. But it is important to keep rider safety under consideration. If shifting is not matched with the engine speed and wheel speed, it could result in a wheel lock-up, stalling, or even a transmission blowout.

How do I know if my rear derailleur is worn out?

All derailleurs wear out at some point. Check for wear by pulling laterally on the lower cage. Compare this movement in the linkage of a new derailleur. Sloppy pivot and linkages will produce inconsistent shifting, and the only solution is a new derailleur.

How do you adjust the B screw on a rear derailleur?

Quote from video: And shift the rear derailleur to the biggest cog. I'm gonna start off by backing the B screw all the way out. So I'm gonna do that by turning this counter clockwise.

How do you adjust Shimano trigger shifters?

Quote from video: There's three clicks boom. And then it stops. So that engaged perfectly right there now. We're gonna let it combine back and we're gonna do that again. We should get more clicks. Boom.

How do you adjust a Shimano shifter?

Quote from video: And if you turn that clockwise. And what it does is brings the lever closer to the drop. Or the bar. So you have to turn it a few times to get it to move before it starts to move.

Will 105 shifters work with tiagra?

If you go for Tiagra you can’t upgrade to 105 one component at a time because 10-speed and 11-speed drivetrain components aren’t interchangeable. You’d have to upgrade most of the groupset components at once for optimum performance.

How do I stop cross chaining on my bike?

Quote from video: Under here we'll always keep a gap there I try to keep my gap as small as possible that I like my chain to be a little loose I don't want very tight chains on my bicycles.

When should you shift chainrings?

Move your chain to the smallest front chainring if you want to make pedaling significantly easier (for example, if you’re climbing hills). Move your chain to the largest chainring in front if you want to make pedaling significantly harder (if you’re going down hills for example and need to control your speed).

What gear should you be in going uphill bike?

Low Gear = Easy = Good for Climbing: The “low” gear on your bike is the smallest chain ring in the front and the largest cog on your cassette (rear gears). In this position, the pedaling will be the easiest and you’ll be able to pedal uphill with the smallest amount of resistance.

Why does my bike jump gears?

Gear indexing issues



One of the most common reasons for a skipping chain is simply a drivetrain that needs a simple indexing adjustment. This is so common that even many brand new bikes can exhibit these symptoms. The good news is that this is probably the simplest to diagnose and fix of all potential issues.

How long should rear derailleur last?

3 Answers. Show activity on this post. Derailleurs will last almost indefinitely. The jockey wheels will wear out in time (tens of thousands of km) but the rest of the mechanism shouldn’t see significant wear.

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.

How do you adjust a Shimano 7 speed rear derailleur?

Quote from video: So the first thing you want to do is take your 9 millimeter socket. You go ahead and loosen the cable. It's always the first. Step.

How do you adjust a shifter angle?

Quote from video: And we're going to move the shifter up until we have the tip of the brake lever touching our straight edge with the height set next we're going to adjust the angle.

How do you adjust a Shimano shifter?

Quote from video: And if you turn that clockwise. And what it does is brings the lever closer to the drop. Or the bar. So you have to turn it a few times to get it to move before it starts to move.

How do you adjust a Shimano 105 front derailleur?

Quote from video: What we want to go for this one set up a little too high. So Shimano recommends that you have it at between one and three millimeters off the top of this tooth to the bottom of the derailleur cage.

Should you adjust the front or rear derailleur first?

In a nutshell, adjust the front derailleur first, then the rear. Show activity on this post. If the derailers just need minor tweaking (they are basically in adjustment but are “not quite right”) then you adjust the one that is obviously wrong, check the overall adjustment again, then again adjust what needs adjusting.

How tight should front derailleur cable be?

It is generally a good idea to lubricate the pivot point of the front derailleur with a light lubricant. The cable inner wires should also be lubricated. If you have loosen the inner wire pinch bolt, lubricate those threads as well. When tightening this pinch bolt, secure to approximately 30-40 inch-pounds.