All Questions
53 questions
18
votes
1
answer
1k
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 ...
- 1,337
10
votes
4
answers
5k
views
Can a counterfeit Shimano chain be used on an authentic Shimano drivetrain?
I unwittingly purchased a fake CNHG901 HG-X11 chain for my Shimano 2x11 M700 groupset because my original chain already had 0.75 wear. I was naïve to think that I'd actually get a legitimate chain ...
- 397
9
votes
3
answers
12k
views
Can a Shimano XT (mountain) hydraulic disc brake caliper be used with an Ultegra STI road brake lever?
Specifically, is the XT BR-M8020 mountain caliper compatible with an Ultegra hydraulic road brifter like like the ST-R8020 or ST-R8070?
I have confirmed that they both use BH90 brake hose ("high ...
- 175
8
votes
4
answers
20k
views
How to identify counterfeit Shimano parts?
I bought a pair of Shimano brifters from eBay, brand new. They have a few bumps and marks on the plastic and metal parts that look like poor quality manufacturing to me. Can anyone tell from these ...
- 410
8
votes
1
answer
509
views
Did this part come from my bicycle?
I was working on my bicycle, a 2021 Domane SL5, and laid it on the ground. When I picked it up, I saw a small metal ring on the ground underneath. I don’t know for certain if the metal piece came off ...
- 255
6
votes
1
answer
3k
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 ...
- 407
6
votes
1
answer
3k
views
How to interpret Shimano compatibility chart?
How does one interpret the delineation of horizontally-aligned boxes on the Shimano compatibility charts? Below is a screenshot (with added blue numbering) for discussion purposes.
For example, why ...
- 265
5
votes
4
answers
3k
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 ...
- 53
5
votes
1
answer
1k
views
What is this little plate found in the Ultegra groupset kit?
I'm a about to install a Shimano Ultegra groupset on my road bike, but I have found a little rounded plate with a sticky band on it, and I don't have any idea of what it is and where to put it.
How ...
- 53
5
votes
2
answers
24k
views
Shimano MTB and Road Components Compatibility
What chain would be suitable for a drive train that uses a Deore SL-T610 right shifter, Deore RD-T610-SGS derailleur, 105 CS-5700 10-speed cassette (11t-28t), and 105 FC-5700 crankset? According to ...
- 837
4
votes
2
answers
423
views
Bargain-basement component brand lines?
So it now seems obvious to me that brand name alone is not a good quality heuristic; my Shimano Revo shifter just went south and was replaced after two years, which seems far too soon. (LBS put a SRAM ...
- 2,076
4
votes
1
answer
1k
views
What is the purpose of non-series Shimano components?
Shimano have many series of components corresponding to different grades and categories of bikes (e.g. their high-end series for MTB is XTR while Dura-Ace is for Road), but they also have what they ...
- 4,169
4
votes
1
answer
9k
views
Is it possible to date Shimano components?
I have heard that Shimano releases an updated or redesigned component line about every four years. The old technology then passes down to the less expensive product line. If this is true, theoreticaly ...
- 19k
4
votes
2
answers
784
views
Removing Nexus 8-speed IGH from hub shell
see update at the bottom
I'm trying to remove my Nexus SG-C6001-8D from its hub shell to grease it. Sadly Shimano's documentation doesn't cover the process of extracting the internals from the hub ...
- 645
4
votes
2
answers
8k
views
Where to buy 2005 Shimano 105/Ultegra brifter hoods? [closed]
I have a 2005 Trek 1500 WSD road bike with original Shimano 105 STI brake/shifter levers. I'm looking for replacement hoods for the brifters because the originals are wearing out.
I believe the ...
- 2,378
4
votes
3
answers
779
views
Where did all the Shimano non-electronic groups go?
I wanted to upgrade the components on one of my bikes, from Shimano 105 6500 (1998 9-speed) to 105 R7000 (2018 11-speed). But no reputable online shop has them. And the LBS says they can't get any 105 ...
3
votes
1
answer
692
views
Is it Shimaro or Shimanno?
A friend told me the best bike parts are shimaro/shimanno?
I saw both companies online! Which one is faking other ones name?!!
- 353
3
votes
2
answers
3k
views
The bicycle has Shimano M7100 chain and Shimano M6100 cassette. Should I buy M7100 cassette instead for replacement?
As per shop specs, this bicycle has Shimano XT M7100 chain (and this is printed on the chain so is true) and Shimano M6100 cassette. But there is M7100 cassette available on the market that even does ...
- 8,134
3
votes
2
answers
7k
views
will any shimano pedal fit any shimano crank?
I bought a second hand boardman cb pro mountain bike. It came with no pedals (as expected) but the guy gave me some 1/2 inch screw pedals, flat basic ones.
But they don't fit. The screw diameter is ...
- 151
3
votes
1
answer
2k
views
Repairing Shimano front shifter ST-EF41-L
My son's bicycle gear shifter SHIMANO ST-EF41-L (front 3 speed) malfunctioned (Both levers became free).
I disassembled it and found 3 very small plastic parts on the bottom side of the shifter were ...
- 31
3
votes
2
answers
868
views
Can I use a 1x10 wide range cassette with Shimano SL-BS79 bar end shifters?
I'm putting together a drop bar hybrid conversion for a gravel bike and want to run a 1x10 drivetrain. So far the only shifting component I have is a pair of Shimano Dura-Ace sl-bs79 10 speed bar end ...
- 131
3
votes
2
answers
2k
views
What type of rear derailleur is used on my bike?
Direct mount or hanger mount?
Sooo, one glance at these photos will tell you why I'm asking this...
Needles to say, I need a new one and I'd like to know what I should be looking for. It's for a 21-...
- 33
3
votes
1
answer
1k
views
Is the XTR Di2 battery compatible with Ultegra Di2?
I'm considering installing an Ultegra Di2 groupset on a small road bike. The space below the water bottle bosses is too little to install the regular road Di2 battery, but the XTR SM-BTC1 Di2 battery ...
- 2,378
3
votes
1
answer
3k
views
Are road bike shifter hoods compatible across models?
I've been using Shimano Sora Shifters since about 2012 .. probably one generation before the current
(https://bike.shimano.com/en-EU/product/component/sora-3500/ST-3500.html)
The rubber covers are ...
- 303
3
votes
1
answer
328
views
What is the logic to the order of Shimano Components?
I understand that the product lines (105, DuraAce, etc.) are ranked in terms of quality, and that last years high model drops to this year's low model. Could someone lay out the logic for the naming ...
- 73
3
votes
1
answer
2k
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
http://www.chainreactioncycles.com/Models.aspx?ModelID=...
- 865
3
votes
1
answer
1k
views
How to find a model number that replaced an old Shimano part
Is there some listing of Shimano component model numbers that can help me find a currently-manufactured part that is equivalent to an old model number that is no longer being manufactured?
In ...
- 392
3
votes
1
answer
4k
views
Hydraulic Disc Brakes Not Locking Up
So as the title says my disc brakes are not locking up. They are gripping but not locking. My older brakes were leaking and i changed them with Shimano Deore BL-M596. I have searched online and found ...
- 31
3
votes
1
answer
500
views
Missing lock nut part on Dura Ace WH-7900 wheels
Not sure what to call it, but a couple of my wheels are missing the grippy washer thing that sits on the lock nut. They seem to be attached to the lock nut to begin with, but they just fall off after ...
- 4,043
2
votes
2
answers
656
views
Repair parts from Shimano - What are these part for?
I got a new Cannondale bike with hydraulic disc brakes and Tiagra set from Shimano. With the bike came seom parts which I cannot identify. I think they have to do with the brakes, but can't find ...
- 131
2
votes
3
answers
855
views
HELP with derailleur upgrade question
I just bought this Aventon Level ebike https://electricbikereport.com/aventon-level-review/
I was wanting to upgrade the derailleur, but I'm not sure which one to get.
I don't want the entry level/...
- 21
2
votes
2
answers
4k
views
What to do about a broken rear derailleur inner cage plate?
The chain on my road bike got caught in the rear cassette and as it snapped it broke one of the guide tabs on the inner cage plate of my new Shimano Ultegra 6800-SS rear derailleur. My two questions ...
- 121
2
votes
3
answers
763
views
New 2012's Sora 3500 vs used 2003's 105 5501
I am preparing my bike for a 2000 km trip. I have an old and used ~2003 hybrid bike with 105 derailleurs and want to change the current horizontal handlebars to road ones, so I have to change cables ...
- 141
2
votes
1
answer
494
views
Where can I find a Shimano cs50 stopper fixing bolt?
Somehow I lost a single 'stopper fixing bolt' on my down tube cable stop. I have a set of Shimano sm-cs50 outer down tube cable stops, and I don't want to buy new ones because I only need one bolt. ...
user11016
2
votes
3
answers
184
views
Why would 6 stops on a Shimano shifter travel 7 cogs with a Shimano derailleur?
I'm replacing the rear shifter on my old Kona mountain bike from the late '90's. It has an 8-speed rear cassette with a Deore XT derailleur. I got a basic ST-EF500 8-speed Shimano shifter/brake ...
- 121
2
votes
1
answer
152
views
Understanding shimano brake parts
I have bought a second hand CUBE Analog (believe the year is 2019 but not certain).
The right hand hydraulic brake lever doesn't have it's top cap and doesn't work.
I'm trying to source parts to ...
- 125
2
votes
1
answer
3k
views
Is there any replacement for the chainrings of a Shimano STX crankset?
I have a Shimano STX Crankset (probably FC-MC series or similar, around 2001) with worn out chainrings (5 Arms). Is there any contemporary replacement opportunity for either the chainrings or the ...
- 51
2
votes
1
answer
748
views
Confusion regarding the Shimano numering system
I have learned that the first couple of letters on a stamped Shimano part mean the part type e.g. FD - front derailleur, and the first digit indicates the series e.g.
M960 XTR/DCL 9s
M950 XTR 9s
M900 ...
- 14k
2
votes
0
answers
115
views
Cable housing end cap for BR-M375
I replaced the no name brake calipers on an entry-level ebike for Shimano BR-M375. The cable housing for the rear caliper was a bit too long, so I cut off a few centimeters. Then, I put a new 5 mm end ...
- 4,169
1
vote
1
answer
8k
views
No Tourney or Altus parts on Shimano website?
Why are there no Tourney or Altus parts on Shimano site, only Acera?
http://bike.shimano.com/publish/content/global_cycle/en/us/index/products/mountain/acera_9-speed.html?
Did they stop producing ...
- 1,874
1
vote
1
answer
9k
views
Replacing Tiagra 9-speed shifter with 9-speed 105 or Sora shifters
So my handlebars were stolen from my Salsa Casseroll the other night, levers and all. (Argh.) The bike has a Tiagra 9 speed triple drivetrain, and Shimano discontinued Tiagra 9 speed hardware, leaving ...
- 13
1
vote
2
answers
5k
views
How to replace broken chainring that is missing a tooth
I was going to ask if I need to replace it but I'm certain the responsible answer is yes (comments welcome). How do I find and replace the outer chainring?
Specifically find the right model or ...
- 113
1
vote
1
answer
305
views
Is there a complete list of all Shimano bicycle components?
You can search for specific components on si.shimano.com and VeloBase has a huge database of Shimano components, but it's far from being complete. Is there a definitive list of all Shimano components ...
- 733
1
vote
1
answer
214
views
Swapping 1994-95 Diamond back sport response components out
My Diamondback sports response is from roughly 1994-95, The Shimano STX shifters are completely done on it. I would like to not purchase a new bike seeing that nothing is wrong with this frame. Is ...
- 11
1
vote
1
answer
967
views
Upgrading Cube Aim 29 2013
I'm thinking about upgrading my bike Cube Aim 29 2013.
Current configuration described here.
The bike is completely ok for short rides, but for longer rides doesn't feel comfortable. So I'm going to ...
- 113
1
vote
1
answer
40
views
What replacement parts fits shimano st-ef51, unknown suntour 48-38-28 crankset and 68mm x 122.5mm spindle
I need to replace my old crankset which is some unknown suntour 48-38-28 crankset for 3x8-speed bike. The original BB is an unknown FSA sqare taper 122.5mm x 68mm. Can't find any model number on the ...
- 3,301
1
vote
1
answer
2k
views
FC-M330 replacement
I have a Trek 4500 with a Shimano FC-M330 crankset. I need to replace the crankset and was hoping that someone could tell me the current replacement. I believe that I have narrowed it down to the FC-...
- 11
1
vote
0
answers
107
views
Small part for Shimano 105 brakes [closed]
My road bike has Shimano 105 brakes, circa 2003. Today, I removed the shoes from the front brakes, unscrewed the "fixing screws", and slid out the pads, so I can put in new pads.
Somehow, for one of ...
- 161
0
votes
1
answer
1k
views
Direct mount vs. hanger derailleur
Currently repairing a bike that I got off the road for free years ago. Around three years ago, a stuck link caused a chain jam while pedaling at high speed, causing the metal around the b-knuckle on ...
0
votes
1
answer
641
views
What is an equivalent or compatible chainring for this Deore XT "24-AM" chainring?
I have a 2012 Mountain Bike with Deore XT. While troubleshooting chain suck on my inner chainring, I figured I'd order a new chainring and replace it. The chainring only has "24-AM" on it. However, ...
- 379