Questions tagged [shifting]

Questions relating to the act or mechanisms involved with moving the chain from one gear to another.

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votes
1answer
51 views

Apparently too much rear derailleur cable pull

I have a Deore XT RD-M761 GS medium cage derailleur on my touring bike that seems to move too much per shift. It shifts the chain on a 11-30 8-speed cassette with chainrings being 36/48 and the ...
0
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1answer
81 views

Rear derailleur does not shift onto sprockets 2 and 6

On a 3x7 gear 1990s Trek 800, the rear derailleur skips the second-smallest and second-largest cog, but goes into the smallest and largest ones. How to fix this? Shifting towards larger cogs, the ...
1
vote
1answer
72 views

Lower limit screw for derailleur adjustment is already at its outer limit

I have to adjust the gear shifting since the chain scratches at the front derailleur (at front smallest cog back largest cog). For this I have to turn the lower limit screw further out but it is ...
6
votes
2answers
889 views

Why does my vintage Shimano rear derailleur come with brake style cable housing?

I got a NOS Shimano RD-6400 rear derailler and it came with cable housing that I usually see on brake cable housing with that thick wire coil inside. I always thought those aren't suitable for ...
0
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0answers
25 views

Are there stepped ferrules for 4mm housing?

I'm looking for stepped ferrules that fit my jagwire shifting cable housing (4mm) and the cable stop on my 80's steel frame (aprox. 4.8mm). Do these exist?
6
votes
3answers
511 views

Shifting direction is different for front and rear shifters

I have been riding singlespeed and 1x setups for decades. The last time I had a front derailleur was over 30 years ago, and the shifter was on the downtube then, and I don’t have any memory of how it ...
0
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1answer
73 views

SRAM Rival 1x: Hestitant shifting in middle of cassette when going to larger cogs - causes?

I have a few months old bike with SRAM Rival 1x. I have changed the cassette (to get closer gear spacing) and chain and can get the rear derailleur to shift almost perfectly swift and accurate both ...
3
votes
1answer
38 views

Can a 12 speed Shimano micro spline cassette be used with SRAM Eagle 12 speed components?

Is it possible to use a Shimano 12 speed micro spline cassette with a SRAM Eagle 12 speed chainring, derailleur, and possibly chain? Or are there any incompatibilities, such as a Shimano chain also ...
1
vote
1answer
66 views

Do indexed 3x downtube/barend front mech shifters exist?

I'd like to use a 3x chainset and wonder if indexed 3x downtube/barend front mech shifters exist?
0
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2answers
106 views

How to increase the durability of gear-shifters

I am not a professional cyclist and may not even be a good rider but it seems like I tend to break my shifters way too often. I initially had a SRAM-X4 8x3 Shifters which ripped apart in an accident. ...
3
votes
2answers
338 views

Imprecise shifting on a Shimano 9 speed set

Edit: Jeff’s answer - replace the cable housing - fixed the problem. I made sure the highest and lowest alignments were correct, that the cogs lined up with the gears, and then replaced all cable ...
1
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0answers
35 views

If the parts inside a friction shifter are rusty, should I replace them?

I recently got a bike from my neighbor, and it has shifting problems. It won't shift out of the lowest gear on the rear cassette. The shifters don't do anything. I can pull the cable by hand, and it'...
4
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3answers
81 views

How to check and ensure parallelism of front derailer and chainrings?

Various instructions of front derailers with clamp want me to ensure that the derailer cage is parallel to the chainrings. What is the preferred way to do this? Since the derailer cage has quite a ...
1
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0answers
47 views

Derailleur can't shift to 51-T sprocket. Deore CS-M5100 + RD-M5100

ISSUE: When attempting to shift to the largest cassette sprocket, the side of the derailleur cage contacts the 51t sprocket, so the chain is not able to go up the gear. WHAT I DID: My drivetrain was ...
0
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1answer
72 views

Rear derailleur adjustment

I have a 7 speed Shimano derailleur. It shifts really good from 1 to 6 but when I try to shift from 6 to 7 it just doesn't want to shift. Can someone help me?
3
votes
3answers
76 views

Shift lever tight when cable clamped in derailleur, adjustments seem futile

I have a 2020 Giant Trance 2 I purchased new at the beginning of June 2020. Recently I had to replace my shifter cable (I broke a ferrule and the cable was fraying and very short, so I figured the ...
0
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0answers
46 views

Vintage 3 Speed Shimano Shifter

I fixed an old three speed bike and I have an old 3 speed Shimano shifter. The cable was rusted and I thought if I open up the shifter I can clean the cable and make it work. Unfortunately I unscrewed ...
3
votes
2answers
426 views

No movement between two lowest shifter settings

I bought a new derailleur, cassette, and hanger after a decent wreck. Shimano 105 set, 11 speed, 11-34 cassette. I've tried adjusting the shift cable barrel, H/L limit screws, and the screw that sets ...
1
vote
2answers
104 views

Can I swap my front 2x chainring on my MTB to a ~46T chainring?

The type of cycling I do means I'm never really presented with mega-steep climbs. I used an online calculator and worked out I never really use gear ratios below about 39, which on my MTB at the ...
0
votes
1answer
94 views

Converted to drop bar and dual brake/shift levers and problems with front derailleur

Hoping someone can help out here. I had originally had a 2016 Kona Deluxe hybrid. Over the years I changed to bullhorn bars with the original shifters etc. I love this bike, but I wanted drop bars and ...
0
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1answer
57 views

Mountain bike front derailleur won't shift up

I didn't use my bike for few months. Now the front derailleur won't shift up. Basically, when I shift to the second gear I hear a "click" then the chain is stuck between the first and the ...
0
votes
1answer
83 views

Last gear does not work

My bike has 12 gears on the rear wheel. When I put the last gear (12) it starts constantly changing from 12 to 11 gear without me doing anything. For example, I put the last gear and it works; right ...
1
vote
1answer
88 views

Does new chain on old cassette damage chain?

I know that a new cassette can be damaged by and old chain. What about the opposite? Can a new chain be damaged by an old cassette?
3
votes
2answers
139 views

Chain wear due to standing while pedaling

Does standing up while pedaling increase chain wear (lengthen chain) faster than pedaling while seated?
0
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1answer
84 views

Road bike: can't shift down on front gears

I only have two chainrings on the crank. The chain is stuck on the big one. When I hit the button on the shifter to shift down I am not seeing the cable move at all which is odd. Not sure where to ...
0
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0answers
50 views

What might be causing the faulty shifting on my bike?

I bought a used bike that has 8 speed cogs and 3 speed chainrings. The front shifts great but the back regularly fails on the 6th and 5th speeds. I know a bit about adjusting the shifters so I can say ...
0
votes
1answer
42 views

Hey my right gripshift won't turn, need help

My mongoose bikes right shifter won't shift, it's too hard or stiff and the wire that connects to the gripshift is loose which isn't normal because the left shifter is in place and not loose and works....
4
votes
3answers
333 views

Friction shifting 9 speeds using an 11 speed rear derailleur

I am interested in running a 1 x 9 drivetrain using an 11-speed Shimano 105 R7000 rear derailleur. If I'm friction shifting 9 speeds, will using an 11-speed derailleur cause issues? Or is it as simple ...
1
vote
3answers
144 views

Will using WD-40 to flush cable housing dirt harm the housing?

I have a bike with a really old shift cable and housing. There is significant friction between the housing and cable. I will replace the cable, but hesitating to replace the housing because I will ...
1
vote
2answers
218 views

MTB 1x vs 2x cross chaining [duplicate]

I've got a good deal and bought a new bike with full Shimano XT groupset and 2x Drivetrain which I am not fully satisfied with, it has 34/24 and 11-42 setup. I would prefer 1x more but not going to ...
2
votes
1answer
61 views

New chain - problems getting into low gears

SRAM GX 11 speed. I snapped my chain last week. Replaced with a fresh SRAM 11 speed chain. I used my old chain as a guide to get the length on the chain right - but I can't swear it is a link ...
2
votes
2answers
92 views

Upgrade Peugeot 5-speed to indexed flat bar shifters

My girlfriend got a vintage Peugeot with original 5-speed cassette (2 front gears) and friction stem-shifters (with a flat bar). She's struggling with the shifting. I'm considering the following ...
3
votes
0answers
51 views

Shimano 105 rear derailleur issue

I have a specialized roubaix of 10 years old. With shimano 105 group. I’m having trouble with my rear derailleur. I want to adjust it so i start on the smallest gear at the back and change gear one by ...
1
vote
0answers
82 views

Front dérailleur does not shift into largest chainring

I have a Shimano ST-EF60-8R shifter with a Shimano FD3303 front derailleur - it does not go into 3rd gear which is the largest; it feels like the wire is going to pop. I just bought the bike, a Trek ...
0
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2answers
53 views

Shimano shifter not working

I’ve got a Shimano Sora shifter and it’s stoped shifting all together on the rear mech recently. I thought it was the cables so I changed it today and still no joy. I’ve also cleaned it out with WD40 ...
1
vote
3answers
90 views

My bike shifting won’t surpass 6

I own a Scott Aspect 740. On the shifter it says it is on gear 7, 8 or 9 however in reality on the rear derailleur the chain is only on 6 and won’t go past this. I’m looking for a fix as it is very ...
2
votes
1answer
355 views

Shimano 105 front derailleur has some “extra shift” after shifting to small cog

I have a new bike (about a month old). It has Shimano 105 2x11 group set. The shifting works fine but I have noticed something odd on the front derailleur shifting. I am in the big cog at the front. ...
0
votes
3answers
476 views

My front dérailleur doesn't shift into the big ring neither in the small one. If I pull the shifter nothing happens

I have a Shimano Sora groupset and my bike is 1 year old. I already tried everything with the limit screws and the cable tension but now nothing moves when I pull the shifter. I'm not sure how to ...
1
vote
1answer
64 views

Front chainring issues + can I install Falcon Friction thumb shifters to an Shimano STX derailleur set?

I'm interested in trying friction shifters, also to save space on my cockpit. I bought a Mongoose Hilltopper 1994 recently and I want to play with it a little. A bike mechanic told me in order to ...
1
vote
2answers
154 views

Rear derailleur does not downshift properly, shifts up smoothly

I can't get my rear derailleur to downshift properly. Especially in the middle of the cassette it'll delay a bit before shifting. Limits are set correctly. Since I can't explain this properly I ...
2
votes
1answer
777 views

Derailleur mounting position

I'm adapting a derailleur to a bike by welding it onto the dropout. By looking at other bikes it seems to me there is not a very strict specification for where the derailleur hanger goes. It seems to ...
4
votes
1answer
167 views

Tandem drivetrain--right side front drive

From what I am reading, there are 3 attested tandem drivetrains: 1) crossover drive, with timing chain on the left, and main crankset and drive chain on the rear right. This seems to be most common. ...
1
vote
1answer
274 views

Replacing the largest sprocket in the cassette with a larger one?

Got this nice old bicycle as a gift from friends, and it has 7 sprockets in the cassette, plus a hub-gear mechanism with three gears (only two of these work though.) To come to work I must ride about ...
2
votes
2answers
92 views

All gears are going one over to the right

I’ve got a couple of problems here. I don’t know if they are all related. Problem 1: it doesn’t always shift into the big ring in front. Usually, I have to slow my pace down for it to catch and also ...
1
vote
1answer
509 views

Mixing 11 speed shifter with 10 speed front derailleur (Shimano)

On my Specialized Rockhopper hardtail I run a Shimano 3x10 drivetrain. The derailleurs are both XT with the front mech being model number FD-M781. For an excellent price, I can get a new take off XT ...
0
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1answer
2k views

Can Shimano Claris use 11 speed cassette?

I'm sort-of new to road biking. I'm planing to upgrade my bike and group set slowly (since I'm a broke high school student). Right now I'm running Shimano Claris group set (except I have a R8000 ...
4
votes
1answer
1k views

How to lower gearing on Tiagra 4700

I have a bike with Tiagra 4700 hydraulic groupset and I want to lower the gearing from the present minimum 34/28. The one thing I'd not like to replace is the shifters: These ST-RS405, while truly ...
2
votes
4answers
1k views

Down shift quickly

Are there any hacks or types of shifters that let you quickly shift down across the gear range? On my 10 speed to get down to gear 1, I have to pump the shifter 5 times. Is there an easy way to ...
3
votes
1answer
2k views

Microshift Advent rear derailleur cable pull ratio?

What is the pull ratio of the MicroShift ADVENT rear derailleur? I like the gearing of their 11-42 9-speed cassette and 47T derailer's capacity, but not the ADVENT road shifter(s), and investigating ...
2
votes
1answer
54 views

Stiff Shifting Levers

I was helping a friend build a bike from used ultegra 6700 components, and for some reason the shifting levers feel really stiff or difficult to shift, particularly when increasing in cable tension (...