Gears in the drivetrain of a bike.

learn more… | top users | synonyms

0
votes
0answers
19 views

(Dis-)Advantage of 2 chainrings / 3 chainrings [duplicate]

I think about buying a new mountainbike when sale is starting. Now my Problem is that my favorite mountainbike has only 2 chainrings with 36/26 teeth. I am used to ride with 3 chainrings and don't ...
4
votes
3answers
527 views

Maxing out on gears [duplicate]

I have an older specialized bike from 2001 that I ride and race on with a gearing of Shimano 53/39 and 9-speed cassette 12/26. On my regular weekly rides I end up maxing out on my gears and can't get ...
1
vote
1answer
40 views

9s rear deraullier with 10s chain

I have a 9s rear derailleur in a 10s transmission. It works fine, but I have concerns about if this configuration could produce problems in the long term. I know the 10s chain is narrow compared the ...
2
votes
1answer
33 views

Rear Derailleur - getting stuck in largest rear cog

Bike is only about 4 months old. I was indexing my gears last night, and the rear mech cage is getting stuck when shifting from largest cog to second largest cog. If I shift to the third largest cog, ...
3
votes
2answers
41 views

Regina Extra Freewheel or Cassette

I have a road bike (Carlton Flyer, 1977) with a regina extra rear cassette. I'm interested in downgearing it (i live on a massive hill) and am trying to identify whether it is a freewheel or cassette ...
3
votes
2answers
50 views

Component(gearing) upgrade question

I'm a long time ultra-runner turned triathlete so please bear with me. I'm looking to upgrade to Shimano Ultegra 11sp components and currently I'm running on the stock components which are Shimano 105'...
0
votes
0answers
20 views

Deore with STI shifters

I have a touring bike with Deore gears and straight handlebars with thumb shifters. I would like to put drop handlebars on the bike with STI shifters. Is this possible?
4
votes
1answer
56 views

Spokes popping, chains jumping gears while not shifting and derailing when shifting, etc

I've had the same Trek bike for 3 and a half years with ongoing shifting problems, but for the last 6 months I've had a litany of problems. My LBS is at their wits end. Spokes are shearing regularly, ...
1
vote
2answers
48 views

Can I convert a 1x9 speed Madsen kg271 cargo bike to a 2 or 3 x 9?

I know most these days seem to want to go the other direction, but my partner would like more gears on this heavy cargo bike that can be tough to pedal uphill. I think the frame has all of the ...
3
votes
2answers
76 views

What is the advantage of a “compact crankset” vs changing a chainring?

It seems that I'm old (my last good bike had a 5-speed freewheel and shifters mounted on down tube braze-ons - they were indexed, though!), and I've been out of cycling for quite some time. I've seen ...
5
votes
1answer
43 views

Replace my stock crankset and cassette for a 22-32-42t crankset and a 11-40t cassette on recumbent trike?

I am leaving on a coast to coast tour starting in Florida and ending in California this November. I have a Catrike Expedition with a 30-39-52t Truvativ Elita and a 11-30t cassette with a 26" rear ...
1
vote
1answer
57 views

Indexing 6 sprocket rear derailleur, having trouble reaching largest sprocket

I'm trying to index my rear gears after replacing my 6 sprocket freewheel. I've set the limit screws fine, but I didn't have enough play in the barrel adjusters to make much adjustment, so I undid the ...
1
vote
1answer
46 views

Do all 10-speed chains fit 3x10?

I'm wondering if all 10-speed chains fit to 3x10. A lot of webshops say that the chain is "for road bikes 2x10" or something like that. Or nothing at all. The chain I have right now (Shinano CN HG-54) ...
3
votes
1answer
54 views

Can old, stiff friction shifters be made serviceable?

I've got a few friction shifters knocking around but all seem so rough as to be impossible to use on a bike. Are they meant to be like that or can a service be done on them to get good use out of them?...
3
votes
3answers
91 views

Other than chain length, what are the limitations to the number of gear teeth?

I need to replace my chainwheel and cassette, and it made me think. I know that the chain has to be a specific length relative to the number of teeth on the gears. I was thinking about changing the ...
3
votes
1answer
231 views

Why is 53/39 known as “standard” for road bikes?

In common cycling parlance, 53/39 is referred to as "standard" gearing for road cranksets, and most mechanics or experienced cyclists will understand that if you say you have a "standard crankset", ...
0
votes
1answer
80 views

Making my dream bike come true [closed]

my name is Benjamin and for quite some time now i have been riding my bicycle to college and other places. The bike i have now is only very simple but has saved as a great alternative for transport ...
4
votes
3answers
98 views

Adding gears to a childs trike pickle pashley

I'd like to add gears to my disabled son's pickle pashley tricycle. I have made a start by adding a 5 speed casette, but I'm stuck trying to work out how to shift the gears as there is no where to ...
2
votes
1answer
74 views

How to change front gearing

So I have a bicycle that has a single front gear, but many back gears with a derailleur. I am wondering if I change the size of the front gear (like significantly), meaning if I get a bigger front ...
2
votes
3answers
110 views

Help with the bicycle gearing

I'm new to road bicycle with gears. I have 3 gears in front and 8 at the back. The principle behind Bicycle gearing is too difficult for me to understand. Please tell me what gears to use When ...
2
votes
1answer
51 views

My cycle's gears don't change properly

At the rear wheel gear, the gear does not change from the 7th gear to the 6th gear when i change the gear in the handlebar once. But the next time i do it it changes. So, if the manual in the ...
0
votes
1answer
93 views

Can i set up a 7speed gear and disc brake on hercules rocky mtb 2.0 cycle

My cycle is a non gear cycle .Can i set up disc brake and 7speed gear. [![ this is my cycle ][2]][2]
-2
votes
4answers
122 views

Constant / maximum set load bike? Does it exist?

Does a bike exist such that you can program it with what load you desire and it will shift gears for you based on that load or maybe never exceed that load? For example, suppose an older person has ...
1
vote
1answer
50 views

MTB gear xx1 repairable?

I have an XX1 cassette, and broke the cog with 24 teeth, is this replaceable or repairable?
0
votes
1answer
56 views

Shimano 105 5800 front derailleur installation

I am currently installing a front derailleur as part of a new bike build. It attaches to the frame via a braze on mount. I can't get it to shift onto the big ring. It shifts onto the big ring only ...
3
votes
1answer
115 views

Indexing issues on new build, shimano 105 5800

I am in the process of building a road bike. I currently setting up my rear derailleur. I can't seem to index the gears. I have set the high and low limit screws. I can shift up the cassette (small ...
0
votes
0answers
45 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 ...
1
vote
1answer
66 views

When I shift to the smallest cog, it's suddenly too loose

The other day I was riding with the chain on the smallest cog in the back (and the middle chainring in the front) and suddenly something felt like it slipped and the chain was suddenly way too loose. ...
3
votes
2answers
180 views

cable tension for Shimano 105 Front derailleur is very tight

I just got a merida scultura 400 and on the biggest chainring there's rubbing on the outside of the front derailleur cage. the only way that I can lower this is by tightening the cable by ALOT. is ...
1
vote
1answer
51 views

Front derailleur takes 6 clicks to shift gears, instead of 3 [duplicate]

I've just stripped all cables and chain from a badly kept bicycle and replaced them. I've correctly adjusted the rear derailleur and it works great. However, front derailleur which only has 3 gears ...
3
votes
3answers
226 views

Questions about shifting from a new road cyclist

I recently purchased a used bike from my local co-op. I've ridden previously on fixed bikes with straight bars, but this bike is the first one I've owned where I have to shift and use drop handlebars. ...
1
vote
1answer
111 views

Upgrading parts on Fuji Panic 3.0 [closed]

I want to upgrade some gear parts on my current bike, which is a Fuji Panic 3.0 I don't really know if it will be compatible though. The bike: http://www.bikepedia.com/QuickBike/BikeSpecs.aspx?year=...
0
votes
1answer
137 views

Opposed cone chainless progressive 24 speed gearing system using belts, has it been tried? [closed]

I am wondering why on bikes I don't see them using a pair of opposed ice cream cone shaped gears such that a fixed length belt can be moved on them to change the gear ratio. It would be cool if ...
3
votes
1answer
60 views

can down tube shifters be used with a gear set of 21 gears? (3x7)

I have two bikes - one a vintage 12 speed with down tube shifters - the other a twist shift gear conversion with 21 set shimano gears. I want to put the 21 gear set on the intage road bike - can I ...
3
votes
1answer
108 views

Is it possible to fit twist grip gears on vintage drop down handlebars?

I have a bit of a Frankenstein bike made from odd parts and it has straight handlebars with twist grip gears fitted to an old road bike style frame. I hate the straight bars but love the twist grip - ...
6
votes
1answer
113 views

Can I mix and match cogs from 2 different SRAM cassettes and still expect it to work?

My road bike currently has a 12-25 cassette on it. I really want the cog with 11 teeth instead of the cog with 12 teeth, but I don't want to upgrade to a full 11-32. If I were to install a new 12-25 ...
2
votes
1answer
33 views

Internal hub gear suddenly stopped shifting

I have never had an internal hub gear bike before, so I don't know much about them. My issue is that all of the gears stopped working suddenly when I was just riding the bike. The bike has 5 gears, ...
6
votes
2answers
114 views

Which cables and housing do I need?

I am going to build my own bike. I purchased the 105 5800 groupset the other day and was examining the different components. The shifters came with some cables and cable housing. I have attached a ...
0
votes
1answer
40 views

Upgrade gear ratio

I have a triple chainset 50*39*30*,and 9speed cassette.Could I upgrade these to a 52*chainset and a 10speed cassette,without changing the chain or derailleur.TIA
5
votes
1answer
73 views

Can you have too many in line barrel adjusters?

Just replacing the shifters on my bike. It had STI shifters and I'm putting thumb shifters on, the shifters have built in barrel adjusters. The bike also came with barrel adjusters on the down tube, ...
1
vote
1answer
101 views

24 gear SRAM shifters- PROBLEM

So recently i bought a carrera vengeance for £45 which is a bargain and the only problem was the gears(24 gear SRAM shifters) for the left side. When i got it i tried to shift but it just clicks and ...
-6
votes
2answers
94 views

2 speed quad sprocket bike… do these exist? If not, why not? [closed]

I was wondering if they make a 2 speed bike with a design having 2 front sprockets (one on each side of the bottom bracket) and 2 rear sprockets such that there is some mechanism that can switch ...
1
vote
3answers
73 views

Troubleshooting a bent mech hanger [duplicate]

I think I bent the mech hanger (right term?) on my Schwinn MTB. Now changing gears is hard. I'm trying to better understand my options. What I understand so far as to what I can do: Look for a new ...
-2
votes
2answers
141 views

Using only 7 speeds of an 8 speed freewheel is ok?

I currently have a 7 speed Shimano RD (rear derailleur) that is working perfectly with the stock 7 speed freewheel which is 14-28. Shimano has a MegaRange 7 speed freewheel that is 14-34 but the ...
-5
votes
1answer
103 views

Why don't we see this special progressive 3x5 gear setup being offered? [duplicate]

This question is not the same as the 36 gear post which used a combination of internal hub gears, cogs, and chainrings. This one is much simpler and much lower cost. Part of the problem of something ...
-4
votes
2answers
78 views

How does a RD (rear derailleur) handle variable tooth gaps?

I am trying to better understand how a rear derailleur (RD) works. I can understand how the RD moves inward and outward but suppose someone changes several of their cogs on the cassette. Let's just ...
4
votes
1answer
122 views

Gear cables replacement - inline barrel adjusters

I'm in the process of ordering replacement gear cables for my road bike which has 105-5800 groupset. My existing cables have inline barrel adjusters and I was wondering: Are the inline barrel ...
-2
votes
3answers
127 views

Sensible shifting on a triple chainring?

I have found from experience on my 3x7 MTB that shifting a triple front chainring is useful if you do the following: I tend to use only the first 3 cogs in the smallest chainring so that is 3 very ...
13
votes
5answers
3k views

Worries about a gear ratio of 1:1?

I'm planning a randonneur-like bike with drop bars, STI shifters, and nevertheless some low gears. The crankset could be a "compact plus" (I guess from Sugino), 44 and 28 teeths, and the cassette a ...
-4
votes
1answer
122 views

Closely spaced nonoverlapping 36 (2x12x2) gears borrowing from music theory. Good idea?

I had an idea. Why not space gears on a bike the same as musical notes? For example, in music, if you start on a certain note (let's say C3), you need to go up 12 more half steps (notes) to get to ...