Mechanism to move the chain from one sprocket to another.

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3answers
14k views

Unable to shift to lower gears; Shimano 6 speed SIS rear deraillers

Presently I'm able to ride my bike only in 5th and 6th gears. I cannot turn the shifter (it's too tight) to move the chain to lower gears. The low stop-screw is all right and it was working till ...
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2answers
201 views

Chain repeatedly tries to click into place without gear change

While pedalling, every 10 seconds or so, the chain on my bike makes the sound it makes during a gear shift - it "clicks", as if it's clicking into place in the new gear. But there is no gear shift ...
2
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2answers
480 views

Shimano Front derailleur

I am rebuilding a Trek 2005 model 6500 and my spec. sheet for the bike says it has a Shimano Alivio front derailleur. Where do I find the model no. that should be stamped on the part? I don't see it ...
2
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3answers
495 views

Slippage Under Load [New Bike]

I got a new bike a three or four weeks ago and have noticed the issue arise this last week or two. When I'm going up a hill (or any heavy load), my gears will slip. I don't think it's moving ...
2
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3answers
1k views

change derailleur and shifter in an old road bike reconverted to hybrid

I have an old road bike, that I converted to a hybrid bike, I just use it for small tourings. Some time ago I changed the handlebar, the brake levers and the tires. Recently the derailleur broke up, ...
2
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3answers
2k views

Front derailleur doesn't seem to be moving

I'm trying to troubleshoot my 24 speed hybrid bike. As it was, the front shifter was having very little effect. I would change gears and not much would happen. When I had a chance to look at it, I ...
2
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1answer
3k views

What are my options for replacing/upgrading my MTB front mech?

I recently damaged my front mech, a Shimano Acera, top swing, bottom pull, triple chainring. The rear cassette is 8-speed. So I need to replace this front mech. The original Shimano Acera is probably ...
2
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1answer
569 views

Front derailleur doesn't change from grear 1 to gear 2

I have a Shinamo Tourney front derailleur that doesn't change well from gear 1 to gear 2 (I'm new to bicycles so I don't know standards, so I think I should specify that gear #1 is the smallest). In ...
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2answers
89 views

How much does number of gears matter for a front derailleur?

I need a low clamp 2x10 front derailleur. As it turns out to be a challenge to find locally, I begin to wonder How important is the rear gear specification? What is I get 2x9? How important is ...
2
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1answer
113 views

Will I snap my derailleur? (too large front chainwheel)

I have an old racer (1994 Specialized Epic Allez - lugged carbon) that's in pretty good shape. I brought it to an LBS that's got a pretty good reputation and that I've used before, to change the chain ...
2
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1answer
74 views

di2 front derailleur braze on for 105?

can di2 front derailleur braze on adapter be used to mount 105 derailleur?
2
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1answer
472 views

Can I use microshift bar end shifters with 9-speed deore lx rear derailleur and 10-speed cassette?

Can I use indexed 10-speed microshift bar end shifters (on retroshift levers) with 9-speed deore lx rear derailleur and 10-speed 11-36 cassette? If not, What rear derailleur would work with the ...
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1answer
190 views

Where is the Tricross Sora front derailleur barrel adjuster

It's supposed to be on the outer casing (according to the shimano manual) but the Tricross has internal cable routing. Anyone know where it is? I really don't see it but I might be being a bit ...
2
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1answer
3k views

Which derailleur should I use with a Shimano 7 speed freewheel 14-34T megarange?

Which derailleur should I use with a Shimano 7 speed freewheel 14-34T megarange in order to prevent the derailleur from rubbing the cassette in 2nd.
2
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1answer
216 views

Can I use a Suntour Cyclone GT Rear Derailleur for a 10 speed Campagnolo cassette?

I'm building up a road bike and have a wheelset with a rear hub that has a Campagnolo Chorus 10 speed cassette. The front derailleur will be a triple and I'm looking into the possibility of using a ...
2
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2answers
172 views

Chain Slippage on MTB

This is my first time posting on this site so bear with me. I've got a 2009 Fuji Tahoe Comp 29er MTB with upgraded SRAM x.7 components and I'm having a couple issues. It is currently set up as a 1x9 ...
2
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1answer
296 views

What rear derailleur do I need?

I could really could do with a hand here, I'm currently restoring a old Raleigh Milk Race bike which has friction tube shifters fitted. I want to upgrade the rear derailleur but I'm not sure if I have ...
2
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2answers
190 views

Had the front derailleur adjusted, now it feels like the rear is skipping

Here is the short version. I'm all for adding more once I know what that more is to help answer said question. I work on the road. I take my Felt ZW75 ...
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2answers
963 views

Can I use a derailleur hanger in my old frame?

I'm trying to adapt an old '83 Fuji Del Rey frame with the parts of my broken '86 Fuji Espree and I'm having problems adapting the Derailleur. The Del Rey frame doesn't come with the little hook ...
2
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1answer
86 views

9sp/10sp compatibility in Shimano SLX drivetrains

This is related to my previous question about SLX chainrings. I'm half way through upgrading my drivetrain from 2x9 to 2x10. I currently have: Shifters: SL-M670-I (10sp), Chainset: FC-M665 (9sp ...
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2answers
259 views

Adjusting a triple front derailleur after removing largest chainring

I have a touring/commuting bike with full Shimano 105 -- triple in the front. I just removed the outer (largest) chainring and replaced it with a chain guard. It's easy enough to crank on the limit ...
2
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1answer
351 views

Can I use friction shifters with a clutch style rear derailleur?

Can I use friction shifters with a clutch style rear derailleur like the 2014 Shimano Deore M615 Shadow Plus? Or does this put extra tension on the shift cable that will cause slips with a friction ...
2
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2answers
133 views

Derailleur twitching in low gears

I had a mild spill today on my new bike, which put the (Tiagra) derailleur cage a little bit out of line. With some bending and eyeballing, I got the two jockey wheels lined up 'almost' perfectly ...
2
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1answer
635 views

Shimano SLX Rear Derailleur with Microshift bar end Shifters

I need to replace my rear Shimano Deore derailleur since it got mangled up in an accident. I'm thinking of replacing it with a Shimano America RD-M662 SLX 9-Speed Derailleur. The bike I have is a 2013 ...
2
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1answer
133 views

Derailleur problems - rear mech slipping forward

I have been riding my Trek Fuel Ex 8 for a few years now, and as I have improved, I have been attacking more challenging terrain. I have started to notice a problem in my rear mech - the link arm ...
2
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1answer
675 views

Can I run a SRAM road rear derailleur with downtube shifters?

Can I run a SRAM road (apex/rival/force/red) rear derailleur with downtube shifters? I though you might be able to mount the bar-end shifters on downtube, but it seems like they are a ratcheting ...
2
votes
1answer
392 views

Biopace chain rings and front deraileur rub

Turns out my front chain rings are biopace, after I thought they had disappeared! I've got a problem with the chain rubbing the front deraileur at a certain point every rotation. I only get this in ...
2
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1answer
439 views

What crankset should I buy to suit an 8 Speed Campy freehub?

I've just bought a pair of campagnolo/mavic wheels without a freewheel. I'm finding it very hard to understand what will fit on the rear hub. It's English thread, does this mean that any 8 speed ...
2
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2answers
72 views

What does “SRAM Custom” (front derailleur) mean?

I'm going through specification of Specialized Epic Comp bicycle (link) and there is in column FRONT DERAILLEUR: "Custom SRAM, 2X10, high direct mount". What does it mean? Is it some kind of specific ...
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2answers
203 views

Can I replace my Shimano RX 100 with a Campagnolo group?

I just purchased a Concorde Mistral with Columbus Gara tubing and would like to transfer my Campagnolo group from an SLX frame that is too big. The Concorde frame has a front derailleur mounting ...
2
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1answer
711 views

Selecting a front derailleur: parameters

Here is a sample Shimano FD. What does Maximum capacity: 22 teeth mean? Why are Top gear teeth constrained to 44/48T? Is there anything wrong with 46? What is Cable Routing: dual-pull type? And most ...
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1answer
2k views

Replaced Shimano Bottom Bracket, now front derailleur won't shift to largest gear

OK, so in my quest to get my old Trek 7000 ZX MTB running again after a long retirement, I am having an issue with replacing the bottom bracket. The bike came with a Shimano LP25 that is marked BC ...
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2answers
123 views

Adjusting disk brake positions

I recently got a new bike (below). It's rather latest technology for me. I got it assembled from a supermarket, but had to do almost all the adjustments myself. I don't know what I did wrong with ...
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3answers
260 views

Are shifters compatible with different derailleurs?

Can I simply choose one shifter without taking into consideration the derailleur that will be used with it and vice-versa?
1
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3answers
5k views

Front derailleur won't spring back to lower gears

The front derailleur on my mountainbike sometimes gets stuck in high gears. When this happens and I want to shift down I can nudge it a bit with my foot and it will spring back to the lower gear. I ...
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3answers
234 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 ...
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3answers
306 views

Replaced chain, bike makes grinding noise?

Recently, I started going to a community bike shop to learn how to maintain and service my own bike. Ever since I changed the old, worn-out chain to a new chain with a master link, I've been ...
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3answers
3k views

Is there any functional point of using alloy jockey wheels?

Jockey wheels seem like the most pointless thing to upgrade on a bike. I can see swapping out the usual grey ceramic jockey wheels for an anodized alloy one to match the look of the rest of the bike, ...
1
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3answers
189 views

How do I stop my rear derailleur from rubbing against my chassis?

I have a fairly new Shimano rear derailleur on a cheap department store MTB a friend gave me. Recently the derailleur (particularly the jockey wheels) have started to rub against the chassis in high ...
1
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1answer
4k views

Sora front derailleur set up

I'm trying to get my front derailleur to stop rubbing in the high gears, smallest sprockets. To do this I am attempting to follow this guide by shimano: ...
1
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1answer
116 views

Upgrading cassette - what do I need to be aware of?

I'm looking to replace my rear cassette and reduce the tooth count between the sprockets in order to make my gear changes less dramatic. I currently have a 11/26 9 speed SRAM cassette, and a stock ...
1
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3answers
131 views

Can I modify the gearing on a 2009 Jamis Aurora?

I have a stock 2009 Jamis Aurora. I'm looking to modify my gear set-up to make climbing hills with large loads a little easier on my knees, as I constantly find myself wishing I had one or more low ...
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2answers
508 views

I need help identifying my derailleur

I want to replace my rear derailleur shown in the photo above. I don't know what kind it is and and I was hoping someone could tell me which cage it is?
1
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1answer
682 views

front derailleur slipping?

I recently started to have a problem where the chain randomly goes from the large front gear to the smaller one. Ive been trying to work out the reason for this and would like some input on the more ...
1
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4answers
736 views

is it worth to change slx 2011 rear derailleur for xtr 2009?

I bought a bicycle last summer a Specialized camber comp and it mounts Shimano SLX as rear derailleur. My intention is to change it for a xtr derailleur (from 2009) which is mounted in a bicycle I ...
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2answers
984 views

Is it possible to reverse cable direction in Shimano M770 shifter?

I tried to set up the perfect shifter + derailleur. For the last part it is better (for me) to have low-normal version, because reducing gears is essential for me (I bike mostly within city). So I ...
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2answers
1k views

I want to remove my front derailleur?

I'm new to biking only doing it since the past 3 months. I don't use my front gears much since i'm pretty tall and lower gears means going at a very high cadence for little output. so wondering if i ...
1
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1answer
251 views

First time buying parts ( derailleur, chain, rear axel, shifters) need help!

I have a 21 speed (3 front, 7 rear) NEXT bicycle ( model number 8568-49, year 2007.12.06) sitting in my back yard at the moment a few missing parts and I was hoping to get some help on what to get and ...
1
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1answer
154 views

No more chainguide from Sram?

I remember I saw somewhere new Sram system that does not require chainguide. Don't remember the model, but could you please tell me more about it? How does it work?
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3answers
1k 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 ...