Skip to main content

All Questions

Tagged with
Filter by
Sorted by
Tagged with
1 vote
0 answers
47 views

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). ...
Alex's user avatar
  • 21
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 ...
PotatoGuy's user avatar
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 ...
SRJBike's user avatar
  • 51
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 ...
BenTaylor's user avatar
  • 173
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 ...
Michael Smith's user avatar
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 ...
Michael D's user avatar
  • 1,012
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?
Emadness's user avatar
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 ...
K Beiske's user avatar
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 ...
Schwenk's user avatar
  • 396
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 ...
kabdulla's user avatar
  • 375
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-...
theplanlessman's user avatar
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 ...
d-b's user avatar
  • 351
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 ...
jayded-bee's user avatar
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?
Techlands's user avatar
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 ...
Will Vousden's user avatar
  • 4,043
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 ...
user63605's user avatar
  • 115
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. ...
Rеnаud's user avatar
  • 24.6k
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 ...
Yusuf Alper Şahin's user avatar
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 ...
Jorge Gonzalez's user avatar
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.
Keyin Liu's user avatar
  • 231
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....
Vinoth Kumar Asaithambi's user avatar
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 ...
Simone's user avatar
  • 31
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 ...
ilciavo's user avatar
  • 171
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 ...
BetterSense's user avatar
  • 3,456
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 ...
Carlo David's user avatar
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. ...
Daniel F's user avatar
  • 177
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 ...
Dicky's user avatar
  • 71
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 ...
Christoph's user avatar
  • 173
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 ...
MaplePanda's user avatar
  • 17.3k
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 ...
user1991's user avatar
  • 179
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 ...
flakeysteaky's user avatar
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 ...
Michael D's user avatar
  • 1,012
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'...
Dan M's user avatar
  • 41
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 ...
KRob's user avatar
  • 135
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.
many.vass's user avatar
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 ...
Computer's user avatar
  • 101
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 ...
Mintar's user avatar
  • 143
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 ...
dos_dyall's user avatar
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 ...
Mister Lion's user avatar
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 ...
Gregory Leo's user avatar
  • 1,315
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. ...
Kellie's user avatar
  • 9
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 ...
hairboat's user avatar
  • 562
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 ...
Oliver Johnson's user avatar
-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 ...
Lam Munn Jun's user avatar
  • 1,000
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 ...
cdahms's user avatar
  • 887
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 ...
Yonatan Karni's user avatar
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 ...
Will Vousden's user avatar
  • 4,043
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.
Robert's user avatar
  • 2,079
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 ...
Patrick Zissou's user avatar
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 ...
mike's user avatar
  • 141