Gears in the drivetrain of a bike.
1
vote
0answers
20 views
Raleigh AT20 series bottom bracket affects derailleur
I took out the bottom bracket to clean it etc taking off the pedal shafts etc - and when it came to putting it back - the front derailleur was well out of adjustment - Have I done something wrong>- ...
2
votes
3answers
191 views
Does never using the easy front gear give a better workout?
I have a road bike with a 52/36 crankset. I make it a point to never use the easy gear because I think that it gives me a better workout when climbing hills. Another reason I don't use it is because ...
5
votes
1answer
104 views
Number of gears for a racer
I am looking to upgrade my racer, I currently have a Bottecchia racer from the mid-80s and it has 14 gears. While looking around for newer racers I noticed that a number of them had 20 gears while ...
1
vote
0answers
34 views
Direct Mount with top and bottom swing?
I want to buy a new frame that supports Direct Mount. Now I read that Bottom Swing is preferable for hardtails. At the same time, it was also mentioned that Bottom Swing is mounted higher onto the ...
3
votes
5answers
240 views
Are single-speed bikes better equipped to handle cog/chain wear?
I need to decide between a single-speed and multiple-speed bike.
I usually ride multiple-speed mountain/city bikes in the highest gear anyway (around town). They're not intended for that, and doing ...
1
vote
3answers
159 views
Gear up-shift not smooth
When I am pedaling hard and shift to a larger sprocket, the shift is not smooth or sometimes doesn't happen at all. Sometimes even double up-shifts don't work. There is no problem shifting when I test ...
11
votes
7answers
2k views
What is the simplest way to lower the gearing on my touring bike?
I have a 2004 Jamis Aurora with a 52/42/30 triple and an 11-32 cassette in the back. 30x32 (25.3 gear inches) being the lowest gear is frustrating for the hilly terrain where I live (e.g., 7% grade ...
5
votes
3answers
143 views
How can I increase the highest gear ratio?
I am looking for some higher cog front gears for an old bike I am considering. I've been away from it for some time and don't know the current number of cogs on the front ring, but I am looking to ...
0
votes
0answers
37 views
Can I use my old wheel for my trainer [duplicate]
My bike has a 8 speed Shimano cassette and I've been using this wheel on my trainer over the winter with a training specific tire on it (so as not to wear out my street tires). Since spring is coming ...
1
vote
1answer
879 views
How do I adjust my 7-speed Shimano SIS indexed shifter not to miss out one of the cogs?
I have a 7-speed indexed twist-grip gear-shifter, but it was set up incorrectly: it has eight positions, the fourth is where the numbers start showing, and while it hits the top and bottom gears, it ...
2
votes
2answers
90 views
Does new chainring require change of other parts?
I'm thinking about changing my 2nd chanring to a smaller one (2 chanring setup). I hear most people recommend to change the chain when changing the cassette.
Hence my question: should I expect to ...
3
votes
2answers
183 views
What is a better gearing combination for downhill?
One of the tracks I've been riding recently is testing both my skill level and my bike. The track is a combination steepness and roughness that makes it significantly different to what I've previously ...
4
votes
2answers
205 views
Different Gear Type when there's no Front Derailleur?
I have a 7 speed Jamis Boss Cruiser, 7 gears in back and one up front. I've been using it fine for several months now. Lately, the chain is coming off of the single front gear, usually after stopping ...
5
votes
2answers
550 views
Upgrade Shimano from 9- to 10- speed
I'm thinking of upgrading the 9-speed Tiagra rear mech on one of my (road) bikes to something, still Shimano, but 10-speed.
The obvious replacements I'll need are cassette, right-shifter and chain. ...
3
votes
4answers
1k views
Why are there almost no bikes with a single chainring?
Bikes with two or three chainrings are the norm, and then there are singlespeeds, but except for kids' bikes, you see almost no stock bikes with a single chainring in front but a cassette and ...
9
votes
3answers
1k views
How to avoid wearing out gears?
I have a Specialized Tricross which I bought new last year.
In that time (approximately 1K miles), I wore out my chain and gears. At least two of my gears are still slipping, even with a new chain.
...
1
vote
3answers
114 views
Refitting Cable to Rear Derailleur
Whilst riding recently the cable slipped from the clamp on the rear derailleur.
I'm attempting to affect repairs by re-clamping the cable. However by pulling the cable tight I have lost the bottom 2 ...
9
votes
3answers
3k views
Help Me Understand My Bicycle's Gears
I've recently started commuting with a bicycle (Giant hybrid bicycle). I've been trying to learn a little about bicycling to make my commute easier and my time on the bicycle more enjoyable. Please ...
4
votes
3answers
4k views
Can I fit a cassette with a larger range with my Shimano Tiagra 10-speed ( GS-4600) derailleur?
I'm currently running a 2x10 shimano tiagra 10-speed drivetrain with a 50/34 compact crankset, a 12-30 rear cassette, and a Shimano Tiagra GS-4600 derailleur (that's medium cage aka road long cage) on ...
2
votes
1answer
157 views
Can I add gears on a bmx?
Just asking if it is possible.
My friend added gears, but won't it damage the look or my cycle?
3
votes
2answers
288 views
Mounting a 7-Speed Cassette on an 8/9 speed hub
I asked an earlier question regarding putting modern road wheels on my old steel frame.
After clarifying a few things the main issue to me is the number of gears on the freehub. (The freehub I'm ...
2
votes
3answers
509 views
How much faster can i go after moving from 2x10 to a 3x10 gear setup?
My 26" mountain bike currently has a 2x10 gear setup with SRAM components: a SRAM S-1250 crank with 38/24 chainrings, and a SRAM PG-1030, 10-speed, 11-36t cassette. I feel that when riding on ...
22
votes
6answers
3k views
What's the efficiency of hub gears compared to derailleurs?
What's the efficiency of hub gears compared to derailleurs. I know that hub gears are not as efficient, a part from being heavier, how much will I loose in performance if I use hub gear?
6
votes
4answers
292 views
Comparing gear ratios on different bike types
How can I compare gear ratios on different wheel sizes? How can I compare gear ratios on MTB with tracking bikes with bigger wheels? How can I compare gear ratios with gear hubs?
3
votes
4answers
406 views
Chain skipping on some gears
I have an old cruising bike with 21 gears. A few months ago I was pedalling back home when my chain broke, and I was only able to get the chain replaced this week. After having it replaced I noticed ...
1
vote
1answer
419 views
Mixing 9-speed Tiagra and 9-speed Deore XT
I currently have a road bike with the following setup for the gears:
9-speed Tiagra front and rear derailleurs, Sora shifters, all from 2009:
30/39/52 Crankset
11-25 Cassette.
I need some more low ...
3
votes
1answer
121 views
What tricks do you use to avoid damaging cables when adjusting the gears?
I was trying to adjust gears, and being my first time, I ended up damaging the cable. I mean that I "smashed" it, the threads became apart, and it was dangerous to deal with it. I replaced the cable, ...
3
votes
2answers
287 views
Switching to Lower Gears for Climbing
Right now, I've got a SRAM 11/26 cassette. I just moved to San Francisco, and some of the climbs out here (e.g., Mt. Tamalpais) are pretty brutal with over an hour of climbing. My cadence over some of ...
4
votes
2answers
347 views
Can you reverse the sprockets on a cassette to lengthen its lifespan?
I know my bike's rear cassette needs replacing, but before I do that, is it feasible to dismantle the 8 sprockets to reverse their spin? Can you increase the lifespan of a cassette by letting the cogs ...
8
votes
1answer
426 views
Setting chain length
My chain broke and in a moment of silliness (I was cold wet and slightly annoyed) I threw the broken one away before thinking about measuring the new one.
Is there a guide to getting the chain ...
4
votes
3answers
6k views
Heavier Thicker Chains and Gears for Winter due to Salt?
I have two bikes: one having gear-things outside and one with inner-hub. The gear-outside-bike has suffered a lot due to the salt during this winter, the other hilariously looks like a new one. I ...
6
votes
6answers
2k views
While pedaling standing up, bike crank gives in as if shifting, what is causing this?
While standing up and pedaling, the cranks give in as if shifting.
It seams like I am shifting down, but my hands are off the shifter, almost like the chain is skipping a link.
I took it to a bike ...
6
votes
1answer
450 views
I find that I'm always in my highest gear. What options to I have to re-distribute the ratios to a more useful range
I have three gears in the front and 8 in the back, but I always use the highest gear (I live in a flat place) I might drop down one or two gears occationally but this is only a small fraction of the ...
6
votes
4answers
1k views
How to fix front gear taking 2 shifts just to move onto next cog
I was out on a ride yesterday and several times when I was changing up and down between big chain ring and little chain ring (I only have the 2 rings up front) it required 2 gear changes. The gears ...
1
vote
1answer
537 views
Bicycle slipping gears on middle sprocket gears 4-7
I see lots of questions on gears slipping but not sure it's the same as what I have. Out of 21 gears I only have problems with 4 (middle sprocket (2) on left shifter gears (4-7) on right shifter). ...
5
votes
3answers
2k views
What is the impact of changing to a smaller chainring?
My road bike has a Campagnolo Veloce gearset. It's running 53 and 39 tooth chainrings. I have a 13-25 10sp cassette.
I find that a lot of the time when I'm cruising, I'm on the big chainring and in ...
0
votes
2answers
197 views
Unable to change from 14th to 7th
I've got a bike that I have had for about 8 weeks and it has already been back to be serviced twice. It's just returned from the second service and I've noticed that it is not shifting from 14th to ...
2
votes
1answer
175 views
Problems with gears after re-attaching front chainring
I had to remove the pedal crank arm together with the front chain set when fixing a bottom bracket problem, but now that I've re-attached it, gear changes in my front derailleur are completely off.
...
3
votes
2answers
432 views
Make a 3-gear bike go easy on uphill
I want to see how can I make this 3-gear bike go easier on uphill. It has an internal gear hub. I don't know much about bikes but I'm thinking if I can merely replace the hub for one with 14 gears ...
3
votes
1answer
188 views
Should I have a spare cassette or a spare wheel?
I have a road bike that I use for triathlons as well as club rides in the evenings and on weekends. I don't have the bike in front of me, but the range of the cassette is on the low side. I'm more ...
14
votes
4answers
12k views
What are the pros and cons of internal gears?
I've had my hybrid 24-speed for a bit over 3 years now, and just last weekend, when looking for a bike for my wife, discovered internal gears. Suffice to say it blew my mind when I saw 7-speed ...
1
vote
2answers
3k views
Will a 9 speed front derailleur work properly with a 10 speed sprocket?
I am pretty near done my current bike build project, just missing a front derailleur. I can't think of why front derailleurs would need to be compatible with different numbers of speeds, given that ...
5
votes
3answers
803 views
Why does my bike stick in low gears?
When I change into a low gear (i.e. onto a bigger cog) on my back cog all is fine. However, when I later change up again the chain sticks on the larger cog. I commute about 10 miles a day and this has ...
22
votes
5answers
917 views
Can you shift both the front and back gears simultanously?
Is it advisable to shift both the front and back gear simultaneously? Can this cause any damage?
3
votes
1answer
695 views
Is it practical to replace two sprockets on a cassette?
My bike has 53/39T chainrings and a cassette with 12,13,14,15,17,19,21,23,25 sprockets, but I like to ride up steep mountain roads. Is it possible (without great expense) to replace two sprockets to ...
1
vote
3answers
625 views
Efficient gear shifting
I've recent purchased a road bike bit of a classic with the downtube shifters, lugged steel frame etc etc.
Before I mainly road my fixie, thou I do have another geared bike, but it left a bit to ...
1
vote
2answers
321 views
SRAM force rear shifts go in the wrong direction when on largest cassette
I got a new bike about 6 months ago with SRAM Force on it. It's my first time riding SRAM and I love it except for one thing:
If I'm climbing and my RD is shifted all the way up ( to 28-tooth ) and ...
6
votes
4answers
2k views
What difference does the range of gear size matter?
I get the idea of ratios and the obvious that a smaller gear on the front and a larger one on the back will give you an easier end result but what difference does the range of a chainset or groupset ...
2
votes
2answers
408 views
Converting downstem shifters to barcons
What considerations should be made for converting a downstem shifting system to barcons? Both the current system and the system that I would like are friction shifters.
The bike is a 1986 Peugeot ...
3
votes
1answer
355 views
What does double and triple gear shifters mean?
I am looking at these components and am wondering what does double and triple gear shifting mean?
Shimano R221 Double Gear Shifters 8 Speed
...
