Questions tagged [gears]

Gears in the drivetrain of a bike.

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4
votes
3answers
158 views

How to create a bicycle that rolls backwards when you pedal forward?

This may seem like a crazy question, but I am currently trying to design a kinetic machine where pilots are facing away from the direction of motion, adding whimsy and curiosity. As someone who doesn’...
3
votes
2answers
192 views

Gear change recording

Has anyone heard of a device that records gear changes? Like a cadence sensor or power meter, but specific to recording when you change gear. With all the data we can currently capture about our ...
22
votes
4answers
6k views

Pedaling at different gear ratios on flat terrain: what's the point?

I have seen many cyclist pedaling at different gear ratios on the same (flat) terrain and cruising at (roughly) the same speed. They move quite fast, but when I look at how fast they pedal, I realize ...
6
votes
2answers
190 views

Lower gearing for a Trek 520

I have a stock 2016 Trek 520 bike and I'm a newbie to road cycling. It has Alivio front derailleur and Deore rear derailleur with Deore triple-chainring crank. The 2016 came with 26/36/48 front ...
3
votes
1answer
87 views

How can I get a snapped gear cable out of my Shimano brifter?

Shimano's brifters that route the cables under the bar tape make the gear cable turn through a tight corner to get into that routing. This seems to weaken the cables and, if they're not replaced in ...
0
votes
1answer
268 views

Front gears won't shift

I am very new to the bike maintenance, but want to learn how to do it myself. I have got a MTB which won't change the gears at front. It's basically stuck in the granny gear at the moment. I tried to ...
-1
votes
4answers
125 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 ...
5
votes
1answer
390 views

Can I use Shimano's Di2 e-tube project software to do a custom lock out of additional small sprockets while in the small chainring?

Context: I'm designing a drivetrain for a touring triple-tandem that I'd like to have a very wide gear ratio. I plan to use the Shimano Di2 derailleurs (long cage RD-M9050-SGS and 3x11 FD-M9050) to ...
4
votes
2answers
2k views

Feasibility of coupling internal hub gear and derailleur

Price considerations apart, would it make sense to install together an internal hub gear and a derailleur? I was thinking of it as a viable way to avoid having the front gears.
7
votes
4answers
63k views

Special hub requirements for an 11-speed group

In a question earlier today (Changing cassette from 8 to 10 or 11 to meet the Shimano 105 5800 groupset) the Op asserts that they would need to change their hub, if they wanted to go from a 10- to 11- ...
1
vote
1answer
96 views

Why are barrel adjusters different for brakes and gears?

In my experience, the ones for brakes will look something like this while ones for gears will look like this Is it even true that this is the case or did I just randomly see all the bikes having ...
2
votes
2answers
604 views

Gears on left are inverse to gears on right?

I have a target bike, so I already know some things may be off from real bikes. And I'm aware I should get a real bike if I wanna do just about anything. On the left side of my gears (the ones that "...
5
votes
4answers
18k views

Adivce on what to do next with crunching / slipping gears

About two weeks ago I took my bike to the local bike shop to get serviced. It was previously slipping gears under load and at the end I couldn't use the lowest gear going up hill it would just slip ...
0
votes
2answers
388 views

SRAM x5 derailleur fitting

So I am a complete novice when it comes to bike maintenance but working on a project mtb, old Saracen rufftrax. The rear derailleur was knackered so fitting a new SRAM x5, my question is do I need to ...
1
vote
1answer
105 views

Front derailleur range suddenly has become very short

For a while when I was riding, there was a stiff feeling changing from medium to high on the crank. Yesterday it wouldn't change at all. I checked the adjustment of the High and Low screws by ...
1
vote
0answers
78 views

Should I replace with 8sp or upgrade to 9 speed? Or 10 speed? [closed]

The original shifters that came with my 2001 Kona Blast MTB is gone. Also, the cassette and chain are long over due for replacement. Hence, was think of dropping the 8 speed (3×8) altogether for the ...
3
votes
3answers
166 views

Going from 7 Speed Cassette to 8 Speed Cassette

here is the situation – I have a quasi-vintage 7-speed bike that still has the original front and rear derailleur (Deore DX) in very good condition. I have recently took a wheel building class which, ...
1
vote
0answers
46 views

Pie plate cog on SRAM 2x

Okay guys, I'm trying to re-find fitness in my mid-40s. My bike has a SRAM Apex (don't laugh, if it's good enough for Alberto Contador, it's good enough for me - and you!) 10-speed drivetrain with ...
0
votes
2answers
163 views

Lifespan chain and gear wheels on e-bike [closed]

If is possible to give an indication of the average lifespan of the chain and gear wheels of an E-bike? Assuming: Cycling in all weather conditions (commute); Western European climate (10% of time ...
0
votes
1answer
2k views

Can I change chainring size on a dirt jump bike?

I don't know the name of it but there is a part on single speed bikes. The gear? I think right where the crank is connected. Well on bmx bikes and especially dirt jumping bikes it is really small and ...
0
votes
2answers
74 views

Preventing use of low gears while training

I'd like to avoid using my two lowest gears while training for a hard and hilly cyclosportive. I am able to resist, but nevertheless do occasionally make a mistake. Is there anything I can do to ...
3
votes
3answers
9k views

SRAM X01 Eagle (12speed) in 11speed transmission: it work?

Well, I intend to use an SRAM X01 Eagle (12speed) rear derailleur in a 1x11 transmission (with a SRAM X01 "non-Eagle" 11speed trigger, cassette SunRace 11s 11-46, SRAM PC XX1 chain). Will it work ...
0
votes
2answers
219 views

Which upgrades are required for participate in cycle race?

I want to take part in cycle race, so for that I upgrade my bicycle to 18 gear. (It was not shipped with gears) Here is my cycle STREET RACER NE 26T. (this is the same model I've, but size may be ...
4
votes
3answers
346 views

How much of a difference would shifting from a (24/34/44, 14x28) to a (28/38/48, 11x34) configuration make when going downhill?

I currently have a Proton MTB with a 24/34/44 crankset and a 14-28 cassette. I have found the configuration to be lacking when going downhill: The front chain ring doesn't feel stiff enough on the ...
1
vote
2answers
163 views

Is it possible that the gears switched from left to right?

I'm 100% sure that my gear levers on the right side are for my front gears and the ones on the left side are for changing the rear gears. After a muddy ride today it seemed that this changed. I was ...
1
vote
1answer
108 views

Levels of derailleurs, freewheels and chains

What are the levels of derailleurs (Shimano probably) I know Altus and Acera but don't know the higher end ones. I am putting this on my Sondors Fat ebike. I will be using a 7 speed freewheel, and a ...
2
votes
1answer
153 views

Need help to put gear shifter back together!

My daughter has Shimano SL TX30 gears on her bike....I think they might be Tourney, from searches I've done. The gears on the right handlebar has a button to go down gears. I stupidly took it off the ...
1
vote
2answers
149 views

Connect Trekking Bike Brakes to Road Bike Lever

A family member will give me his old (high class) trekking bike. I like the bike a lot but would like to swap the steering bar for a road bike one, which I am used to and like a lot. Is it possible ...
0
votes
1answer
54 views

How can non index shifters be limited to a specific range of gears?

Searching on eBay, I find shimano SL-MY34s. Description says that they should only be used with 5/6/7 gears. What limits them to this range?
0
votes
3answers
677 views

Why does my chain slips when I put pressure on my pedals

When I get on my bike and put pressure on my pedals or stand up and pedal, my chain slips. I want to know what the problem is so I can fix it myself as I don’t have a lot of money for a bike shop to ...
2
votes
2answers
59 views

Halfway through changing rear gear out cable

I stupidly started changing the outer casing on my rear gear without having cable cutter ready. Suffice to say I've messed up the cut and now I can't get the gear cable though the outer casing. My ...
11
votes
3answers
2k views

What is the generic name for the gear shifter where you have one trigger for the up shift and another for down shift?

I recently bought a bike with new advanced gear shifters where you can shift easily as the shifter has a trigger for the up shift and downshift? I would like to replace the twist shifter in my old ...
35
votes
5answers
12k views

Perfectly setting up gears - how?

Every time I have my bike serviced, the bike shop sets up the gears on a stand in their workshop. The gears change perfectly on the stand, but when the bike is on the road, the rear derailleur doesn't ...
1
vote
2answers
1k views

How can I tell number of speeds on my road bike? 9, 10, 11?

How can I tell how many speeds my road bike has? I have a Shimano Ultegra groupset. Thx
1
vote
2answers
312 views

Will any Shimano mountain bike shift cable set work with any Shimano mountain bike derailleurs and shifters?

(Forgive me if this question has been asked before - but I don't know if I'm searching with the correct keywords to find the answer...) My rear derailleur cable is stuck hard into the side of its ...
3
votes
2answers
33k views

Why does my bike make noise in certain gears?

I'm relatively new to cycling so this question may be obvious to some of you. When I get into certain gears my chain or drive train makes a noise that I can only to compare to the noise a ...
0
votes
1answer
1k views

Converting Sram Force 1 to Sram Force 22

I am buying a Sram Force 1 groupset with a new bike and I cannot test it before buying. In the case I really dislike the gearing steps issues, how difficult/costly would it be to convert to Sram Force ...
0
votes
2answers
58 views

Defective gear shifting down

My mountain bicycle has 3 chainrings at the front and 7 cogs at the back, making it a 21 gears bike, which are shifted by a derailleur system. Although it is 25 years old, everything seems to work ...
6
votes
2answers
259 views

No locked off youth gearing restriction for road racing British National Series/Championships

Can anyone correctly confirm (by providing a link to the exact rule in British Cycling rulebook), if the use of locked off gears is permitted in Youth (A, B and Junior) National level series or ...
2
votes
2answers
180 views

Inexpensive 1x10 gearing?

Can I use a single speed crank (like a Shimano Vee) paired with an 7 speed rear derailleur and 10 speed 12-32 rear cassette to make an inexpensive 1x10 gearing, for non-technical trail riding? Is ...
2
votes
1answer
401 views

Rear derailleur hitting spokes in 4 largest cogs

I did a big mistake and bought a cheap bike for casual use. On my first ride I fell down on to the right side of the bike. I am not sure if it is this fall or just that the bike is poorly assembled ...
2
votes
2answers
17k views

105 Shimano 10 speed shifters - compatibility with 11 speed rear derailleur

I am building a bike and I am using 10 speed Shimano 105 shifters. On the back I am using a 11 speed 105 rear derailluer (because is the only one I have at the moment). The cassette I am using is a ...
2
votes
1answer
667 views

What is a good replacement for my MF-Z012 6 speed wind on cassette?

I'm trying to find a good replacement for my MF-Z012 6 speed wind on cassette. Thing is, I've upgraded my bike with '93 Dura-Ace rear and front derailleurs. Trouble is they are 7-speed compatible. ...
1
vote
1answer
129 views

Cross-chaining on a 3x6 system — how bad for wear?

I keep an old 3x6-geared MTBSO near work, and the front shifter is currently broken (smashed plastic gripshift). It will be a few weeks before I can get it home to replace it with a spare, so I've ...
4
votes
1answer
175 views

Feeling of click/slip when pedalling

This is very hard to explain, but I will try my best. I recently got a Shimano Ultegra cassette, crankset, front and back derailleurs, chain, and cables installed on my Giant TCX SLR1 2015 bike. ...
16
votes
4answers
4k views

10 gears to singlespeed

My second hand Hercules bicycle came with 10 gears. Two gears in the front and five in the back. The gearshift does not work well and since I cycle in the same gear all the time anyway, I consider ...
7
votes
2answers
921 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 ...
1
vote
1answer
273 views

Tiagra rear derailleur and Deore crankset + derailleur compatibility

I want to buy this bike: http://en.author.eu/adventure/gravel-bike/author-ronin-2018-ua42901301-1154 For most time, I will be fine with the lowest gear being 34x34. However, occasionally I would ...
3
votes
1answer
1k views

Chain get stuck on front sprocket during pedalling

When pedalling the chain sometimes get stuck on the front sprocket. This happened after I cleaned the gears and replaced the chain. What could cause this? The purple line is the chain. The circles ...
2
votes
1answer
97 views

Is the second decimal important in the ring/cog ratio?

The ring of my single speed is starting to wear out now that I'm approaching the 10k km and I'm planning to do an upgrade. Most of the crank sets that I find interesting only come in 48–51 teeth. I'...

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