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Adjust a Shimano 105 9x rear derailleur

5 min read

Asked by: Kathy Weaver

How do you adjust a 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 you adjust a 9 speed rear derailleur?

Quote from video: The lower cage down here you can actually get a really good position to see here now just note how vertical that is if the derailleur itself is actually bent then you're going to need to adjust that.

How do you adjust a shifting Shimano 105?

Quote from video: There just locate that it doesn't go very far in just rest in there. And if you turn it clockwise it. Just makes the gap smaller. It's got a few clicks of adjustment.

How do I adjust my rear derailleur manually?

Shift into a small ring on the cassette. With your thumb, push the body of the derailleur toward the large cog. The top pulley should align with the largest cog in the cassette. If the pulley moves past the largest cog toward the spokes, turn the limit screw marked “L” clockwise to tighten.

How do I identify a Shimano 105 rear derailleur?

Shimano stamps the rear derailleur model number on the underside/lower plate of the parallelogram.

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.

What does H and L mean on a bike?

Chain overshoots



You need to adjust the high (H) and low (L) limit screws on the derailleur. Viewed from behind the bike, the H screw limits how far the derailleur can move to the right, while the L screw limits how far the derailleur can move to the left.

How do you adjust the rear derailleur on a barrel adjuster?

That’s a barrel adjuster, which is used to tune the derailleur adjustment. Standing behind the bike, the barrel adjuster is turned either counter-clockwise or clockwise in half-turn increments until the shifting hesitation is cured.

Which way do limit screws turn?

Turning the screw clockwise, moves the derailleur limit to the left, turning it counter clockwise, moves it to the right. In the end, the sprocket and the upper pulley should be aligned perfectly.

How do you adjust a 105 lever?

Quote from video: It's a 2 mil allen key so get your screwdriver in that and start tightening it to move the lever back towards you and as you can see that's moved and then do the same on the other.

How do you adjust a shifter reach?

Quote from video: And then locate the adjustment screw which is in the top there. So once you're on that if you turn it clockwise. You get on to it and you turn it clockwise.

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 I know what model Shimano 105 I have?

The shifter can be identified by model number, which is stamped on the plastic perch (under the rubber hood).

How do I know if my derailleur is short or medium?

Quote from video: So look for those markings on your derailleur. If you can't eyeball it to see if it's long or short again short is SS medium GS long is s GS.

What is the largest cassette for Shimano 105?

Quote from video: Похожие запросы

How do you adjust a Shimano 7 speed rear derailleur?

Quote from video: All on its own. So now whilst the cable is still loose. We need to get the height. Set screw which is this one they're labeled this one has an l4 low this one has an h4.

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.

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 the rear derailleur on a mountain bike?

Quote from video: And tighten it up on the back of the bike you can actually make these small adjustments when you're riding the bike.

What is the clutch for on a Shimano rear derailleur?

Shimano’s derailleur clutch maintains chain tension and prevents the chain from bouncing around and coming off. The clutch has needed attention in the past to keep shifting smoothly.

How do you adjust the rear derailleur on a barrel adjuster?

That’s a barrel adjuster, which is used to tune the derailleur adjustment. Standing behind the bike, the barrel adjuster is turned either counter-clockwise or clockwise in half-turn increments until the shifting hesitation is cured.