Shimano brand bicycle components. (No need to use if Shimano is an incidental part of the question.)

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18
votes
6answers
23k views

Does this chainring need to be replaced?

Here is a closeup of my triple: All three rings are Shimano Ultegra and have never been changed. They probably have at least 12000+ km on them. I've been pretty good about changing the chain ...
16
votes
1answer
790 views

How can I tell which road bike components/groupsets are better?

Shimano has new models of their groupsets every year but the lines generally keep the same names. This makes it difficult to figure out what year/version a particular bike has. Is there an easy way to ...
14
votes
2answers
16k views

I'm changing from 8-speed to 10-speed will I need to replace my rear Hub?

I've dug an old road bike out of the garage for the winter and need to upgrade the drive-train, I'm happy about most of what I need but but I'm not sure about the rear hub (an old Shimano Ultegra).. ....
9
votes
2answers
2k views

Is it normal for my derailleur cables to cross over on the down tube?

I've just picked myself up a Specialized Allez Sport 2014 road bike from Evans Cycles (UK). I test rode the bike and I'm happy with the bike, but when I got home, and flipped the bike over to make a ...
9
votes
3answers
324 views

difficulty in shifting to lower gear on shimano (6 speed rear gear)

I am new to using a bicycle with multiple speeds. I got this new bicycle 4 days back with Shimano 6 speed rear gears. I don't know much else about the components. There is no issue when I move to ...
8
votes
3answers
3k views

What kind of maintenance does a shimano dynamo hub need?

I have a shimano dynamo hub on the front of my bike. Does it need any special maintenance, or maybe it needs just a little synthetic grease once a year, like a normal front hub?
7
votes
4answers
17k views

How to repair sticky Ultegra shifter

I have Ultegra 3x9 shifters and derailleurs that were installed just a couple months ago. I purchased them on eBay and although they were new, they had been sitting in inventory for a couple years so ...
7
votes
2answers
3k views

How do I clean the inside of a freehub?

I didn't know any better and I let degreaser drip into the freewheel body of my Shimano FH-RM65. Now it makes a terrible retching noise when it rotates. How do I clean the inside of this thing? ...
7
votes
3answers
177 views

Switching from a dérailleur to a gear hub

I'm upgrading an old bike with a five speed dérailleur system which I'm trying to convert to use a three speed gearhub from Shimano. I have assembled the wheel, I know how to set up the gearhub itself,...
7
votes
2answers
2k views

Bicycle disc brake rotors

It is time to change my bike's hydraulic disc brakes . Now I have a Hayes Stroker Ryde system , but I want to order a Shimano M395 instead . The question is that I don't know If I have to order the ...
7
votes
1answer
232 views

Why are some chainrings specs appended with an 'a' or 's'

Shimano 22s x 32s x 44a Why isn't that 22x32x44t ? What does the 's' and 'a' stand for in this case
7
votes
1answer
113 views

Does the BB axle (spindle) lengths 1:1 compare for square taper and octalink?

When measuring the axle length of a square taper bottom bracket, can I pick a new octalink bottom bracket with the same axle length? I can think of some offset added or removed by the difference how ...
6
votes
1answer
942 views

Are Shimano 10 speeds going away?

My LBS claims that Shimano's 10 speed groups are going away forever. They told me that if I don't upgrade to 11 speed that my next replacement will cost me an arm and a leg because 10 speed components ...
6
votes
6answers
14k views

Shimano Claris vs 105?

I'm planning to get my first road bike as I have been putting a lot of miles into my hybrid. Did a century last sunday. Altogether I have done around 5k miles on my trek hybrid. So I thought getting a ...
6
votes
2answers
18k 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- ...
6
votes
3answers
15k views

Can I replace chainrings without replacing the rest of the drive train?

I now ride a 60cm SurlyLHT with chain rings at 26/36/48t. Can I replace with a smaller set at 22/32/46t (or similar combination) without having to replace the entire drive train - cassette, rear ...
6
votes
3answers
25k views

How can you identify if a Shimano rear derailleur is medium or long cage?

I have a 2013 Shimano XT rear derailleur. It is part of a 2x10 drivetrain. How can I find out if it is a medium or a long cage one? The picture below shows the derailleur.
6
votes
2answers
11k views

What is a shimano ispec shifter?

I know what a shifter is but I could not find a definitive answer on what an ispec shifter is or how is it different from a regular shifter. For example the 2014 shimano deore groupset says it has ...
6
votes
1answer
3k views

What do the numbers of shimano components mean?

Shimano components have numbers, presumably to denote quality. E.g. Dura Ace stuff has numbers like 7700, 7800, or 7900. An Ultegra might have 6700 or 6800 on it. A 105 might have the number 5600 or ...
6
votes
4answers
4k views

Trouble getting the right cup and cone hub adjustment

I have a pair of Shimano XT wheels and recently had issues with the hub on the rear wheel requiring new cones and bearings. These were fitted carefully but I've had issues getting the right adjustment ...
6
votes
2answers
2k views

Is it possible to replace bearings in Shimano XT bottom bracket cups?

Curious if I can just replace the bearings in my existing cups or if I would need to buy new cups? If possible to replace them then what are possible high quality replacement bearings?
6
votes
3answers
298 views

Are all ready-made wheels sold “cassette compatible” only?

I will have to change my wheels on my old trusty late-80s Peugeot (PS28) soon. The rear wheel is mounted with a freewheel-type 6-speed hub (not cassette). I was wondering if all ready-made wheels ...
6
votes
2answers
3k views

Adjusting the pull/reach of STI levers with top-brakes (Tricross)

Please excuse my terminology, I have a Specialized Tricross (2008) with Shimano Tiagra STI levers, and convenience brakes on the top of the bars, running through the same cable. Naturally, adjusting ...
6
votes
3answers
2k views

Can I run a 10 speed cassette on an 11 speed wheel, but also keep running 10 speed on a 10 speed wheel?

I bought a second hand cyclocross bike (running Shimano 105) and I ... love it. I've been doing some short commuting on it as well, but the nobbled tires are copping a pounding. I've got a spare set ...
6
votes
3answers
3k views

Combining Shimano RS500 crankset with Stages Shimano 105 5800

I've been thinking about getting a power meter for a while now. I finally decided I would get one, but now I realise that Stages only starts at the Shimano 105 level. I currently have a Shimano RS500 ...
6
votes
1answer
107 views

Shimano Nexus 3 (SG-3C41) 2 and 3 gear problem - Ring Gear Unit Repair

I have this internal gear hub and i try to fix it. 1st gear is ok. On 2nd and 3rd gear, especially when I run faster, the hub is not engaging properly, missing engagement sometimes. It is not problem ...
6
votes
1answer
370 views

Front derailleur rubbing against chainring

I'm trying to fix up my old (1999) Trek 4500, and I've run into a snag while adjusting the front derailleur. It's a Shimano FD-CT92 (bottom bracket mounted E-type), and it's rubbing against the ...
5
votes
5answers
2k views

How to evaluate used bicycle price?

Hey I am about to buy a used bicycle and recently I got offer for Peugeot bicycle. We both do not know the price to agree on... The question is how to evaluate price of an used bicycle? (where to put ...
5
votes
4answers
2k views

Bicycle Components: What's The Real Difference?

I am buying my first 'real' road bike soon and am comparing the Shimano Ultegra vs. the 105. I have read through their websites and marketing literature. What does the semi-vast price difference do ...
5
votes
2answers
11k 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. ...
5
votes
1answer
269 views

Which jockey wheel on top?

I've just bought a new pulley set for my rear derailleur but do not know which one goes on the top (nearest derailleur) and which one goes on the bottom. The wheels have arrows on them;vI suppose they ...
5
votes
3answers
936 views

50/34 vs 52/36 crankset for 11-32 cassette (shimano 105 5800FC)

Following up on this enlightening answer, I would like to know the differences between 50/34(compact), 52/36(mid-compact) and 53/39 (standard). The cassette I am choosing is 11-32 to give me a wider ...
5
votes
1answer
10k views

Which pulley is which on my Shimano STX RC derailleur?

I disassembled my rear derailleur to clean it; when I removed the sprockets they basically looked the same; both jet black and caked with all sorts of black grease-like-stuff. I figured they were the ...
5
votes
1answer
924 views

Should brake fluid come out of a misaligned disc caliper piston?

I have a shimano XT hydraulic disc brake system. While servicing it I took out the pads an checked the pistons in the caliper and noticed that only one is extracting. After a few pulls on the lever ...
5
votes
4answers
3k views

Avoid problems with ratchet straps to fasten MTB shoes

With shoes like those shown below, when you adjust the buckle to the most tight position, the release handle is blocked (IMHO, this is due to bad engineering but cannot be changed.) Usually, this ...
5
votes
3answers
624 views

rear shifter lever gets stuck when shifting gears

All the shifting was working smoothly until my bike fell off to the ground (edit1: to my right side hitting the right side of the bike) with me couple days back. Now after about a week when I took my ...
5
votes
2answers
100 views

Dynamo hub cones regulation

I have bought my first dynamo hub wheel with Shimano DH-3N72 hub. The axle of the wheel fells like if it is over-tightened a bit, it rotates with feeling of clicks. Should I loose the cones in the ...
5
votes
2answers
12k views

Can I use a 9sp chainring set on my MTB which has a 8 speed Shimano CS-HG70 Cassette

Just installed the CS-HG70 cassette and while doing some tuning, noticed that my chainring is no longer true, especially around the crank so am thinking about replacing the chainring set but can not ...
5
votes
1answer
5k views

Replace Ultegra 6600 STI lever

I need to replace my Ultegra 6600 right hand shifter as the ratcheting system is gone. The rest of the groupset is all the same 6600 series. I am having a hard time sourcing just a right hand side ...
5
votes
1answer
64 views

Could i break Shimano Nexus 7 with no cable attached?

Is it possible to ride (pedal) on bike with Shimano Nexus 7 with no cable attached? Is it possible to push the bike without pedaling, when cable is unattached, or setting of shifter is not correct? I ...
5
votes
2answers
1k views

Shimano Nexus 3 clicking free-wheel-mechanism-like noise

I have assembled a bike with new Shimano Nexus 3 (SG-3C41) internally geared hub. In the lowest gear the hub is silent. However in the middle and highest gear it makes a clicking noise similar to free-...
5
votes
2answers
606 views

Which Phil Wood bottom brackets are compatible with Shimano XT cranks?

As far as I can tell just the Outboard BB is.
5
votes
1answer
120 views

Replacing Crankset

My dad bought a 2004 Fuji Absolute hybrid used and I rode it to a DIY shop to get everything checked out. On the way, the the chain came off once (1.5mi). Turns out the right crank arm is a little ...
5
votes
2answers
475 views

B01S brake pads for Deore A-M615 brakes?

I bought replacement pads for my Deore A-M615 brakes. They installed just fine. But after cleaning the old pads, I saw that they are G01S, while the new ones are B01S. G01S, the original: B01S, ...
5
votes
3answers
9k views

Can you use a 8 speed Shimano shifter with a 7 speed cassette?

I want to use an 8-speed shifter with a 7-speed cassette. I saw this question, but I am unsure if this would work, since I believe the spacing is the same between a 7- and 8-speed, but the length is ...
5
votes
1answer
1k views

Are Shimano Hollowtech II bottom bracket spacers unique?

I'm moving my Shimano Hollowtech II XT crankset and bottom bracket over from a bike with 73mm bottom bracket to a 68mm bike. The only problem is that I only have 1 spacer and now I need 3 bottom ...
5
votes
1answer
314 views

Orientation of asymmetrical brake pads on front vs. rear

I'm replacing some old cartridge pads that I can't find inserts for with one-piece Kool-stops. Both are asymmetrical types, but the front set of old shoes are explicitly designated for "tail-forward" ...
5
votes
1answer
397 views

Shimano 105 ST-5500 gear sensor mechanism

I have a pair of Shimano 105 levers and would like to know what sort of mechanism is inside the shifter to track what gear it's on? Is it a potentiometer? Or maybe small switches? Also, does ...
5
votes
1answer
323 views

Shimano Hydraulic disc brakes- Lever compatibility

I am looking for practical advice on compatibility between various Shimano hydraulic disc brakes, especially the lever assembly. Currently I have two separate sets, one M446 Left lever, attached to a ...
5
votes
1answer
724 views

Ultegra 6700 Left Side Crank with SRAM Red

I'm considering buying a TT bike that has a full SRAM Red group. I'm wondering if it's possible to use my Shimano Ultegra 6700 left-side crank in place of the SRAM Red crank. Why? I've got a Stages ...