All Questions
91 questions
1
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0
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47
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Recently replaced fixed gear drive train and the chain has stretched 1/8th inch over 24 links in under 200 miles
I have a wabi classic. Over the last few months it became apparent that the drive train needed to be replaced. I would replace a chain and it would be badly stretched after a week or two (~100 miles). ...
1
vote
1
answer
176
views
Chain / Chain wheel: D type vs sealed type
I have spent a good 30 minutes on this site but couldn't find anything pointing a clear idea.
I bought a 26 inch, Dual suspension bike. It has a chainwheel of "sealed type." I asked the ...
5
votes
4
answers
1k
views
Chain drops when shifting up a gear at the front?
I've just gotten a new bike and run into a problem. When shifting from a smaller cog to a bigger one in the front gears, the chain consistently drops.
The problem happens regardless of whether I'm on ...
4
votes
1
answer
393
views
New chain coming off under torque
I replaced the chain recently - the new chain unships violently when I apply a moderate amount of torque, such as when setting off standing.
As in, it comes off the big ring to the outside (i.e. away ...
0
votes
0
answers
50
views
Band New Front Gear Shift Issue
I brought a bike a few days ago and barely rode it. Every time I did I noticed that the chain would slip in the front gear going to a larger chainring, in this case it's gear 2. 'Funny thing is I took ...
2
votes
1
answer
120
views
How can I know / check if I can use KMC Z7 for my single speed bike instead of KMC S1
I have 2 spockets: front and rear.
Front 52T, 110 BCD (Narrow wide tooth).
Rear 18T,18T (34 mm/1.34'').
This is all information which I have.
The front sprocket should be fine with KMC Z7, since, it ...
4
votes
2
answers
1k
views
Do I need to shorten the chain if I mount a smaller large chainring?
I have bike with 2x8 compact chain ring in front 50/34.
If I change the 50 to 46 do I need to cut the chain shorter?
I know I will adjust the front derailleur lower, right?
1
vote
1
answer
190
views
Luna eclipse 42T chain ring and Shimano Linkglide is there a chain that fits both?
My cargo e-bike has a Luna Eclipse 42T chainring with a narrow-wide pattern. Lunacycles states the chainring will work with any 8, 9 or 10 speed chain and that an 11 or 12 speed chain will not work. I ...
1
vote
2
answers
106
views
Why is my chain still sliding after replacing the front chainring?
I don't know what todo anymore.
The chain is sliding from the front chain ring when I'm not actively pedaling.
When I'm actively pedal, it does not slide off.
The chain is not a week old, and it's the ...
6
votes
2
answers
3k
views
What can cause the chain to stay attached to chain-ring at bottom causing it to ride up and jam in the frame ("chainsuck")?
I'm looking for possible/likely causes of an issue with my front chain-rings on my bike. It's a 3x8 setup and the problem is worst on the smallest front chain-ring, and worse again when combining ...
4
votes
1
answer
1k
views
Does the "speed" of a 1x chainring really matter?
I currently have a 1x8 setup on my bike, and am considering upgrading the cassette to an 11-speed. I've also been looking at replacement chainrings as I've seen that they also come in 8-speed, 11-...
2
votes
2
answers
1k
views
How to adjust/tighten the chain on my Shimano Nexus 8i hub?
I have an Electra Townie 8i with Shimano Nexus components. Every time I remove the rear wheel it is a major PITA to adjust the chain tension when putting back the wheel again. Is there some smart way ...
2
votes
4
answers
2k
views
9/10 speed chain with vintage 2x5 crankset
I have an old crankset from an 80s 10-speed (2x5) bicycle with downtube friction shifters. The chain currently in use is marked as "6/7/8 speed," but works fine on the 5-speed freewheel. For ...
3
votes
1
answer
2k
views
Chain length when upgrading chain ring
I currently run a 1x11 with a 30t chain ring. I'm upgrading to a 32t chain ring and a new chain. The cassette will be the same. Would I be correct in assuming I need to be +2 links on my new chain?
2
votes
2
answers
737
views
Chain dropping between chainrings when shifting down
I have a power2max NGeco 110mm spider with SRAM 50/34 chainrings mounted on it. I'm using an 11sp chain and an R8050 Di2 front derailleur.
When changing from the big ring down to the small ring, the ...
2
votes
1
answer
155
views
Chain touches frame after re-installing crank
I'm restoring a vintage road bike. I had to strip the whole bike so I could get the paint off to re-spray so now I'm trying to put it all back together!
I was lining up the new-old front derailleur ...
3
votes
1
answer
2k
views
Shimano LinkGlide (durable range) cassette/chain compatibility with non-LinkGlide derailleur
I've seen that the Shimano LinkGlide range starts to be available in shops. LinkGlide is a new sub-range (flat handle bar, Deore and XT) that emphasizes on durability, meant for e-bikes and commuters. ...
0
votes
2
answers
6k
views
Vibration feel on pedals
For a while, I am having a vibration feeling (and actually it vibrates) through my feet from chain. It is not because of front derailleur, I have just aligned them. There are no problems with rear ...
4
votes
1
answer
291
views
105 11-speed Crankset & Brake Caliper Compatibility w/ 2400 Claris Groupset
I have a 2016 Bianchi Via Nirone 7 with a 2400 2x8 Claris groupset.
A buddy of mine is "upgrading" in stages and is letting go of his 105 components at a VERY reasonable price. Great timing ...
0
votes
2
answers
104
views
I am thinking about changing my drivetrain to a 1xN. Do I need a new chain?
I am think about changing to a 1xN drivetrain, and I was wondering if I needed to change the chain as well.
1
vote
1
answer
3k
views
105 11-34T Cassette Compatibility
I purchased a Merida Speeder 400 a year back. This came with Shimano 50-34 teeth and Shimano CSR7000 11-32 teeth 11-speed cassette which I replaced with Shimano 105 R7000 11 Speed 11-34 Teeth Cassette....
3
votes
1
answer
170
views
Chain keeps falling off chainring
I picked up an old Raleigh Sirocco from the 1980s ish and am attempting to convert it to single speed. I thought it was finished, but when taking it out for its first ride, the chain kept falling off ...
2
votes
1
answer
1k
views
Compatibility of Shimano Ultegra and Sora components
My road bike has an Ultegra groupset, but some parts need replacement (chainrings, chain, and cassette). The chain is worn out, the cassette is sliding with a new chain, and the chainset is also worn ...
6
votes
2
answers
6k
views
Chain length differences between 1X and multi-chainring setups
When determining correct chain size, one common technique is to install the chain (without passing it through any derailleur) onto the largest front and rear sprockets. Then, determine the shortest ...
9
votes
5
answers
2k
views
I failed to replace my chain at the proper interval. Will I have to replace my whole drivetrain?
My bicycle is a 2012 Specialized Secteur. It has 6000 miles (10000 km), and I have never replaced the chain.
I recently began noticing that the chain always seems out of alignment with the rear ...
3
votes
3
answers
481
views
Worn out chainring or missing tension
This is a follow-up to the question I need to replace a cassette for CS-HG500-10 but want to go XT
Yesterday I replaced the cassette, as well as the chain and the jockey wheels and went for a ride. ...
7
votes
1
answer
589
views
What bike chain size do I buy?
A friend gave me his old bike which I'm fixing up to use. It has no chain and I've never replaced one before so I'm wondering what size I need to buy to replace it. The Bike is an Apollo Avio, it has ...
1
vote
3
answers
12k
views
Chain slipping on smallest cogs (bigger chainring, new chain)
I recently switched my SRAM 1x12 Eagle SX drivetrain from a 30 to 34 direct mount Chainring. I also bought a new chain to accompany with it. Chain length was measured as the sram service manual ...
21
votes
10
answers
4k
views
What would happen if I don’t replace worn drivetrain components?
What would happen if I took a entirely new drivetrain and just never replaced anything? Of course, I’d keep it clean and lubricated.
With 11 and 12 speed chains being as expensive as they are, the old ...
4
votes
1
answer
762
views
Replacing front chainring on my old bike
I have an old Giant Peloton Lite. Certainly considering its age, it's a very nice bike. The front chain ring is a bit worn out, however, and I'm looking to replace it.
I have a few questions about ...
1
vote
0
answers
98
views
Old French Road Bike - Chain Size
I dusted off an old steel frame french road bike (circa 1980) and have been enjoying the summer riding so far. Unfortunately I managed to snap the chain on it. No big deal, put a measuring caliper on ...
1
vote
1
answer
281
views
Chain length is too long
It seems me, that the chain is too long.
Probably this is the reason, why the chain falls sometimes.
By how many links I should shorten the length?
P.S. Probably the reason for it, that my 52T ...
4
votes
1
answer
250
views
I can't track down the source of chain skip - what might it be?
Last summer it come to light that my bike is suffering extremely bad chain slip, to the extent I feel it is unsafe. From what I can tell, it only happens in the 50t ring, and the 34 may be ok, but it'...
0
votes
1
answer
212
views
How to figure out the BCD my chainring has
I have a 2017 Diamondback Line. My chain has come off a few times and this post says get this chainring. I wanted to confirm my bike requires a 104 mm bolt pattern but don't know how to do that; the ...
1
vote
1
answer
142
views
Are all chainring compatible with all chain?
I want to change my drivetrain on my bike and i found everything except the chainring. So I was wondering if I could choose any chainring.
Thank for yours response.
0
votes
0
answers
181
views
Bicycle pedaling resistance on single speed e-bike
Recently, I've bought an ebike that is about 2 months old now, I've maybe gotten 100-150 miles off of it as a daily commuter. When I pedal, it would have a lot of opposing force or friction, and ...
14
votes
6
answers
9k
views
What explains 9 speed cassettes price differences?
I have a pretty heavy bike I use to travel long distances with a lot of luggage. It has a mix of XT, deore and other Shimano equipment. I bought it second hand so I don't really know the details. I ...
7
votes
7
answers
20k
views
Converting 3x7 to a 1x7. Is it possible with only existing parts?
I own a 2000 model Specialized Ground Control full suspension. The front derailleur is rusty and temperamental so my solution is to remove it as well as 2 chain rings (they are removable on mine) and ...
3
votes
2
answers
7k
views
Chain not fitting on big chainring
I have a problem where my chain is not engaging on the big chainring.
The chain is not touching the FD so, that is ruled out.
Is it possible that my chain is not compatible with my crank?
My chain ...
4
votes
2
answers
4k
views
What is the actual diameter of our current bicycle chain's rollers?
Wikipedia states that it's 5/16" (~7.9mm) while two or three sites list it as 7.75mm.
I'm a little bit confused. Do chain rollers differ in diameter? Does diameter differ between singlespeed and ...
0
votes
1
answer
478
views
Cassette, chainring, chain compatibility
I've taken on trying to nurse my husband's bike back to life.
It is a 2012 Specialize Venge with Dura-Ace Di2 (very old version); Specialized pro FACT carbon chain rings, Ultegra 10-speed cassette.
...
2
votes
1
answer
453
views
How do I tell what width chain my used chainring needs?
I bought a used crankset from my local bike collective. It has a single 44-tooth chainring and I intend to use it for a single speed conversion with a new cog and chain, but I need to figure out what ...
0
votes
2
answers
3k
views
Chain getting stuck between large chain ring and front mech when changing into big ring
15+ year old Scott MTB. When changing gear from mid to large chain ring the chain gets pinched between the mech and the large chain ring. Tried adjusting the max min screws, problem persists. Old bike ...
-2
votes
1
answer
124
views
Chain guides; yay or nay? [closed]
So, recently i've bought a new chainring online and it will be sent to my home soon. And i thought to myself, should i get a chain guide? The chainring has narrow wide teeth so the chain will not fall ...
2
votes
0
answers
432
views
chain / cassette / chainrings replacement ratios - how often to you usually replace cassettes & chainrings per number of replaced chains?
I'm looking to get other riders experiences with how often cassettes and chainrings usually have to be replaced per the number of chain replacements. On my 2 road bikes I usually find roughly the ...
1
vote
1
answer
894
views
Chainring and chain compatibility for Suntour chainring
just ordered a new chainring for my nexus-8 equipped longtail bike,
it's a suntour 48 tooth chainring shown here:
https://www.srsuntour.com/products/32-tooth-chainring?variant=27528743299
it's a ...
3
votes
3
answers
275
views
How long can I safely use a chain for?
My chain is well over the 0.75% extension at which I would normally replace it.
However, the cassette and chainrings are also old enough that a new chain would slip on them, so they would also need ...
1
vote
2
answers
954
views
8 speed chainring with single speed 1/8" chain
Can I use a chainring designed for 6/7/8 speed with a single speed, 1/8" chain?
The rear wheel only has a single cog - no derailleurs.
3
votes
2
answers
2k
views
Mismatched chain and chainring
Why specifically would shifting between chainrings of one speed type with a chain of another cause problems?
As I understand it, all 3/32 inch chains have that as their interior width; the variance ...
2
votes
2
answers
225
views
Replaced my crackset, chain keeps popping off the small chainring under load
Looking for a little lower gearing on my gravel bike, I replaced the crankset with a FSA Omega with 46/30 chainrings, along with a new bottom bracket & chain.
If I stand on the pedals while on ...