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27 votes

How do experienced cyclists know which gear they are in without an optical display?

All the elite riders I have encountered just know. I think its part of the attention to detail necessary at that level. You almost never see them looking down to check (that would be showing a ...
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  • 17.1k
22 votes

How do experienced cyclists know which gear they are in without an optical display?

Cadence mostly. The answer to your question is in the title. Experience. Same way motocross riders know what gear they are in. The speed of the engine vs how fast they are moving.
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  • 229
22 votes

My bike goes up one gear at a time, but down two: is this normal?

On or off road, but especially off road, it is desirable to be able to shift down more than one gear at a time to deal with abrupt changes in gradient and avoid being stuck in too a high a gear and ...
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17 votes

Can a counterfeit Shimano chain be used on an authentic Shimano drivetrain?

You can normally use chains from other legitimate vendors, be it SRAM or KMC or something else. You do not need to use Shimano™® chains only. But no-one can tell you whether your chain is of ...
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15 votes
Accepted

What is this stamped metal piece that fell out of a new hydraulic shifter?

Providing the 7900 is the same, I’m sure it is but someone more qualified can chip in if it’s different. How did it fall out ? Shimano have a proper tool for removing them. Info from here Fawkes
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  • 1,078
14 votes
Accepted

Why are trigger shifters so widely used, instead of the twisting grip shifters(revoshift)?

In the context of a high-end MTB designed to go quickly over difficult terrain, trigger shifters have the following advantages: They can be operated using only the thumb, without changing the grip, ...
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14 votes

Can you use two different shifters (eg. Left-Tiagra,Right-105) on the same cockpit/handlebar?

The shifters on your left and right side don’t have to match. They can even be from completely different manufacturers. On road bikes it can be problematic because when riding “on the hoods” (the ...
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  • 19.7k
13 votes

Broken 105 shifter in fall, cause and is repair possible?

Sadly, all I have is bad news. It's not a quality control issue. It may not have felt like much of a crash but that lever was hit hard. There is no way to fix it. The plastic shell is part of the ...
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  • 16.3k
13 votes
Accepted

Can a counterfeit Shimano chain be used on an authentic Shimano drivetrain?

The main problem is quality, in terms of dimensions and variance. If you think its an 11 speed chain but someone has just repackaged some 10 speed chain, then there will be issues. Likewise, if it ...
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  • 99.1k
12 votes

Are there any 8-speed brifters with internal cabling?

The new Claris, called R2000, has internally routed brake and shifter cables, an improvement on a previous version, that still sported the externally routed shifting cables. It is still 8 speed group, ...
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  • 121
12 votes
Accepted

My bike goes up one gear at a time, but down two: is this normal?

Depending on the year of your Giant Escape 3, it either has Shimano EF40 or EF41 shifters. Both shifters have the same User Manual which has this information on downshifting: Assuming you are talking ...
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  • 236
12 votes
Accepted

Rohloff twist shifter is too slippery when sweating

Cycling gloves are designed for comfort and to improve grip by absorbing sweat and providing a contact material that provides grip even when damp or wet. Typically, hands do not sweat much so most ...
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  • 29.8k
11 votes
Accepted

Shifter cable ruptured near the inner end in ST-R7020 - usual defect?

The cable turns a double right angle in quite a small space. It's a very common failure on all the 11speed shifters from 9000/6800 onwards. The "solution" is to change the right hand cable ...
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  • 9,584
11 votes

Does my shifter need to be replaced after crash damage?

Based on your description and photo, probably not. As long as it still functions correctly. That is the key. So, if it still works and is not broken/cracked, go ahead and use it. Keep an eye on it ...
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  • 1,632
10 votes

Are my gears setup backwards?

No, it's set up the right way. (In fact, because of the way the front and rear gear systems work, it's essentially impossible to set them up backwards: you'd have to re-engineer the whole system.) ...
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10 votes

Shimano Revoshift twist grip unusably tight

As per AndyP’s comment, I have also heard anecdotally that these styles of shifters can be stiff for children’s hands, but then again some thumb push trigger shifters can feel quite stiff to my adult ...
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  • 12k
10 votes
Accepted

Anyone know of 3x7 brifters with internal cabling?

It's a hack, but you can do this with the current Claris ST-2400 3x8 levers using an alternate cable mounting position on many "classic" shaped Shimano rear derailleurs. (Make sure whatever you're ...
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10 votes
Accepted

Need help understanding my grip shifters on my handle bar

You have two shifters. A friction shifter for the front derailer and a 6-speed indexed shifter for the rear derailer. The shifters are operating by turning the grip front and back (like a motorbike ...
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10 votes
Accepted

What is this adjuster in the shifting cable?

It is an inline barrel adjuster. By holding the end closest to the Shimano "O" and rotating the knurled end you can finely adjust the shift point of the front derailleur. If looking at it ...
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  • 18k
9 votes

Pedaling not connecting right away

The parts that Blam refers to are known as the pawls and the ratchet inside the freehub. Slipping can happen for a number of reasons, including worn ratchet, worn pawls, weak springs, or excessive ...
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  • 1,435
9 votes

How do experienced cyclists know which gear they are in without an optical display?

One of my bikes has no indicators and I'm less familiar with it than my other bike which has indicators and more years especially at the top. But I don't find it to be a problem. You don't need to ...
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  • 46.2k
9 votes
Accepted

Friction-shift (rear) always changing up the gears

Rode downtube friction shifters bikes for a while. I can see two possible causes : either the shifter was too lubricated, or the screw isn't tightened enough. Try to tighten it more, but pay ...
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9 votes
Accepted

Using 9 speed bar end shifters in friction mode with 10 speed derailleurs and cassette

Beyond the question of finickiness of actually using the system with higher cog counts, it's a matter of whether there's enough total cable pull from the shifter in friction mode to cover the range of ...
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9 votes
Accepted

Which the function of this "thing" (photo) in Shimano XTR SL-M952 rear shifter?

There was a remote shifter available for ST-M952 and SL-M952 and some others of the era, so you could shift from your bar end. It actuated the main shifter via cables and housings. This is a stop for ...
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9 votes
Accepted

Shimano STI shifters: do they come in different sizes?

Yes. Shimano introduced the 3300 STI in 1999, which has a downshift lever on the hoods, and reach adjust via screw (the main models had only rubber shims to adjust reach). This continues today as ...
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  • 4,060
9 votes

Missing piece from shifter

Yes you're missing a barrel adjuster. There are two common threads, and its hard to tell which yours are in the photo. If you have a shifter on the other side, it should have the same part in the ...
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  • 99.1k
8 votes

How to reassemble a Shimano Alivio Shifter

It just so happens I had one of these land in my garage for a fixup today. So I've taken some photos of how it went. tl;dr Answer Root cause lubrication. The pawl for up-shifting wasn't engaging the ...
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  • 99.1k
8 votes
Accepted

Which bikes come with SRAM Automatix

For those who aren't familiar, a SRAM Automatix hub is a 2-sped internal gear hub which shifts automatically, with the shift mechanism and everything contained in the hub. The mechanism is mechanical, ...
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  • 45.5k
8 votes

Rohloff twist shifter is too slippery when sweating

A thumb /trigger shifter has been developed for the Rohloff speed hub. It has been manufactured by Cinq5 and is called Shift:R. It involves two levers one for up-shifting and one for down-shifting. I ...
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  • 18k
8 votes
Accepted

Use indexed shifters on new bike

Shifters don't care about wheel/rim size. They only care about how many gears there are to shift across, and once you hit 10~11 speed then it also matters whether the bike is using a road or MTB ...
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  • 99.1k

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