Questions tagged [shifting]

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

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38 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 ...
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19 views

Can I Use 11 Speed Rd On My 9 Speed Cogs?

Can I Use Ltwoo Ax Elite Rd (11 Speed) On My Sagmit 11t-50t Cogs (9 speed)?
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1answer
38 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....
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3answers
192 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 ...
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3answers
123 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 ...
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2answers
133 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 ...
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1answer
59 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 ...
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2answers
53 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 ...
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0answers
47 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 ...
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0answers
71 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 ...
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2answers
47 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 ...
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3answers
52 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 ...
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1answer
209 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. ...
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3answers
102 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 ...
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1answer
43 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 ...
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2answers
57 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
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1answer
504 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 ...
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1answer
108 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. ...
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1answer
208 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
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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 ...
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1answer
297 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 ...
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1answer
878 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 ...
3
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1answer
856 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 ...
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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 ...
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1answer
1k 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 ...
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1answer
46 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 (...
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3answers
119 views

Build endurance on small hills

I've got a bunch of small hills on the paved roads that follow along rivers by where I ride. They might be a few hundred meters (more or less), so it takes some effort to keep the same pace (or close)....
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1answer
44 views

Shifting is crunchy in Shimano CB-E110

Looking for advice for my GFs Pelago Brooklyn, which has a coaster brake Shimano CB-E110 hub. When shifting gears, the chain hops and crunches. The chain also looks a bit saggy. I only have experience ...
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1answer
89 views

Do simpler casettes have less issues with missing shifts?

On my new Trek Marlin with a 8 gear cassette, sometimes I try to downshift into the middle of the range of gears and it doesn't take (upshifting works fine). I can hear the gear clicking for a few ...
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2answers
620 views

Tiagra 4503 front derailleur replacement

I have a bike with a 4503 Shimano setup (Tiagra triple, 9 speed). The front derailleur is broken. I can quickly get a 105 derailleur (5703) at the local bike shop. I just want to be sure that it is ...
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2answers
254 views

Can't shift to highest front gear

I've been trying to propely adjust front gears in my bike, but failed to do so. I can't make the front gear to shift to highest gear. I can make it work when testing the bike while it's lifted, but ...
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2answers
1k views

Why are my Shimano 105 11-speed shifter/derailleur acting like they're 10-speed?

I recently got a pair of Shimano 105 shifters and a rear derailleur and put them on my bike. The front derailleur is a Shimano Tiagra, and the cassette is also Shimano. The cables are new, but the ...
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2answers
321 views

Compatibility between Shimano 105 crankset and Shimano Deore derailleur

I have a wild idea to replace a crankset on my Merida Crossway 500 (2014) (which is now SR Suntour NCX-FX-10s 48A-36-26 CG) with Shimano 105 5750 cCompact 10sp (switch from 3-speed to 2-speed). The ...
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1answer
412 views

2 speed (double) shimano road shifter on triple chainring crankset?

I would like to put a 2-speed Shimano road shifter on my bike. The bike is 3-speed front crankset. Could I put these two together?
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1answer
1k views

How to attach cable mounting points to a bicycle frame?

I have a frame-building project that is near completion: An old 90ies steel MTB frame was cut, and converted into a frame for a cargo bike. In my enthusiasm, I have overlooked one detail: The ...
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1answer
521 views

Front Derailleur Chainring Size Tolerance

I'm rebuilding an old bike and have an existing crankset with 52-42-30 chainrings. I'm looking for a front derailleur. Most of the triple front derailleurs I've come across say they don't support a 50 ...
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4answers
213 views

Is not changing/shifting gears much bad when riding around?

I usually would set the gear to one level and leave it at that if I felt comfortable -- however, I just heard of someone changing gears on stops and whatnot to help with the initial inertia from full ...
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1answer
1k views

Upgrading 20 year old road bike's groupset

I own an Scott AFD 709 from the late 90s to early 2000s with an Ultegra 6500 group set. Would it be possible to upgrade to the newest Tiagra 4700 groupset (https://www.vanillabikes.com/products/...
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1answer
643 views

Will 8 speed shifters work on 6 speed cassette?

I currently have a Shimano tourney 6-7 speed rear derailleur that is pulled by some 6 speed downtube index shifters, and a 6 speed Shimano cassette. The shifting is perfect. But I want to get some ...
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6answers
3k views

Issue shifting from largest cog to second largest

Got a Canyon Spectral 3 weeks ago, have done around 2 hours riding on it and have noticed an issue with shifting from the largest cog to second largest. The drivetrain is SRAM NX 1x12. There are two ...
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1answer
242 views

Can't change M7000 front shifter from 2x into 3x

I bought exactly this set of shifters, latest SLX model. I had similar SLX shifters, just the older ones, where the front one had a little button so it was easy to change from 2x to 3x. Now this new ...
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1answer
174 views

Tiagra upshifting jumping 3-4 gears in middle of cassette

My Tiagra 10-speed shifters have recently been jumping multiple gears. Shifting down (from smallest cog to biggest) is fine (10-9-8-7-6-5-4-3-2-1), though maybe a little stiff. But shifting up will ...
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1answer
147 views

Tiagra lever extremely stiff on new bike

I bought myself my first real bike (Conway GRV 600) three weeks ago and was pretty happy with it. My GF decided she wants one too and got herself a Canyon Endurance Bike (cheaper than mine but same ...
3
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1answer
287 views

No trim and can't shift into small chainring

I have the dura ace 7900 front shifter and derailleur and after my shifting cables have been replaced I have noticed the following. I cannot trim anymore. The chain jumps onto the big chainring with ...
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2answers
1k views

Rear derailleur cage bigger than cassette necessity

I use a Shimano Ultegra 6600 rear derailleur with short cage in a 11/28 cassette. The derailleur is at the end of its useful life and would like to exchange for a cheaper one, since I intend to ...
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3answers
5k views

Cannot shift to lowest gear - chain too short?

I’m in the process of switching from an 11-25 to 11-32 rear cassette. The upgrade has involved replacing the cassette, rear derailleur (short to medium cage) and fitting a new chain. I can cleanly ...
3
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3answers
44k views

Cannot shift into lowest gear

I've been fiddling with my rear derailleur trying to fine tune it, because I just replaced my entire drivetrain (same components, but new) The problem that I'm facing now is that I can't seem to ...
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2answers
2k views

Front derailleur cable suddenly very slack (no shifting), not sure what's caused it

I last rode the bike on Sunday. Throughout the ride I noticed the front shifter (grip friction shift, Shimano) was feeling "looser" than normal (hard to describe, it didn't feel "right" and seemed to ...
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1answer
504 views

One extra position on front derailleur besides trim

After I changed shift cables, I have 4 positions on my front derailleur. WTF? I have a double chainring. I have a trim position as well, but after shifting to the big chainring, I can still move the ...
4
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3answers
10k views

Chain shifting when back pedaling

On my bike I found that when I backpedal, if the chain isnt perfectly straight, it is prone to shift to a more central gear. E.g would be if on the small chainring and the largest cog, backpedaling ...