Questions tagged [drivetrain-slipping]
Questions about chains slipping off the gears, or the chain derailing, or the bike shifting at odd times, perhaps while standing to pedal uphill.
57 questions
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Chain slipping when under pressure
My chain slips when under pressure especially when I try to stand up or suddenly speed up. New chain a rear cogs and new cycle derailleur.
Cheers.
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Chain slipping in 8th gear only
I couldn't find a similar thread that had my issue. I've recently replaced the cassette and chain within a week of each other (chain then cassette) I have a 2x9 setup. The chain slips on the cassette ...
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Can't keep new drivetrain from clicking and jumping
Recently I replaced crank, chains and cassette on my about 4 years old trekking bike. All parts are low priced Shimano parts, just as the ones I replaced. New crank and cassette have lesser numbers of ...
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Chain slipping at specific chainring angle
1x11 road bike suddenly starts “slipping” gears without fully jumping gears. I noticed that, only when pedaling backwards in the bike stand, it happened in 180 degree intervals at a specific part of ...
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Shimano gears not shifting (rear derailleur not moving)
My gears were slipping on a ride out, then they stopped shifting altogether. It’s on the lowest speed and won’t go up.
I had the issue a couple of months ago, and the mechanic said something about a ...
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Recommended torque for belt port in rear triangle?
Last week while doing a bleed and rotor replacement on my Spot Acme, my bike accidentally fell from the stand with the wheels removed, causing a little damage to the pulley:
I didn't notice this ...
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Back wheel is slipping when pedals are rotating both the front and back sprockets
When pedaling, the front chainring turns the back crankset which rotates the back wheel. However, sometimes it slips, meaning when rotating the pedals which turns the back crankset does not turn the ...
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My daughters chain keeps falling off
The derailleur is not feeding the chain to the cassette properly it comes off the cog about half way round and gets spat off the cogs completely.
It looks like the derailleur is bent outwards which ...
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Chain skipping teeth while staying on small front chainring
I recently converted my bike with 9 speed 105 from a triple to a double chainring. I installed my new 34/50 crankset and noticed that chain would slip across the teeth of the 34t chainring whenever ...
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Replaced chain and cassette, now new chain slips in a specific gear
I ride a cargo bike (Yuba Spicy Curry) with electric assist that uses an extra-long chain, I believe two spliced together. Not an e-bike specific question, though. 8-speed cassette, one big single ...
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Replaced drivetrain but gears still skipping
I have a Specialized Cirrus Sport hybrid and recently replaced the cassette, chain and chainrings (which were very worn). I replaced my Shimano 9 speed 11-32 cassette with a new Sunrun version (also ...
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Chain slipping on 10 speed Deore XT with new cassette, new chain and new chainrings
The bike is about 10 years old with an average 30KM per week on it so roughly 15,000KM.
It is a 3 * 10 speed Deore XT and it has performed great up until recently when my chain broke (bought a Park ...
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Roadside / Temporary fix for skipping chain
Recently I was out riding when my chain began to skip in the big ring due to heavily worn components. The situation worsened surprisingly quickly such that within a few miles I couldn't practically ...
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Chain seems to slip under pressure?
While I was riding I went to stand and it felt like the chain busted or came off! I jumped off and turned the pedals by hand and they turned fine but any pressure at all and it slips... any ideas ?
I ...
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Trek7200: new bracket,crank,chain,&shift cables. Deraillers set Trek manual. Good stand results, but stumbles riding up incline
Trek 7200 Bike: new bracket, crank, chain, & shift cables. Derailleurs set to Trek manual. Good stand results, but bike stumbles riding up incline on middle of 8 gears.
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Chain is slipping relative to large chainring but not the small one
The crank on my 2016 Giant XTC Advanced (Shimano XT components) is slipping relative to the large chainring but not the small chainring. In searching for reasons many of the answers focus on chain ...
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Chain slipping on brand new bike, bike shop is stumped
I just bought a 2020 Kona Lava Dome (the details of this bike/components are at the end of this question) and I can't use the low (small) front sprocket. Under any load (like a hill climb) the chain ...
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Chain crunching after degrease and lubrication
I did the usual degrease and lubrication on my mountain bike today but when I tried to ride the bike later on I heard pretty bad crunching sounds.
The sound is definitely coming from somewhere around ...
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Need new crankset for a 15+ year old bike [chain slipping on gears]
Just discovered this site. My uncle gave me his old bike. The chain has been slipping and today we replaced the chain (previous was worn and stretched, the rear casette (to a used but less-worn one), ...
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Chain loses grip under load in higher gears
When pedalling in higher gears, the crank or cassette seem to completely lose grip for a second, then grip then lose it again. I could probably pedal all day in 1st and any front ring but when start ...
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Why are is my 7 speed chain drive slipping? in the lower gears
I've noticed when I ride in 1st or 2nd gear that the chain drive slips then engages then slips again.Especially when going up ridiculously low grade inclines, such as ramps at crosswalks.
What is ...
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Chain slipping between frame and gears
I have a bike that I use for getting from place to place. The only problem is, the chain periodically slips off the gears and gets stuck between the frame and the rear wheel gears. Almost like my bike ...
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Is a folding bike's chain more likely to slip?
I have recently purchased a Raleigh folding bike second hand. I had to take it back for servicing (within warranty) when there were problems with the gears and derailleur. The dealers have replaced ...
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Feeling of click/slip when pedalling
This is very hard to explain, but I will try my best.
I recently got a Shimano Ultegra cassette, crankset, front and back derailleurs, chain, and cables installed on my Giant TCX SLR1 2015 bike.
...
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Skipping on new chain, new cassette, new derailleur
For a long time I have been having issues with chain skipping on my 1999 Trek 6500. I took a video to illustrate exactly what I mean by "skipping":
Over the last ...
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Downtube shifters won't stay in low gear on rear derailleur
I've finished a bike restoration today and it's my first time using downtube shifters. They work and will span the full range of gears but won't stay in the big cog on the back for long, the shifter ...
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Shimano Nexus 7 gear hub slips
I need help on adjusting my Nexus 7 Shimano rear hub.
Today I tried to install a Shimano 7 gear shifter to change the gears on a Nexus 7 Shimano rear hub. Before installing, I lined up the red lines ...
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(Apparent) chain slippage causes on new bike - usual culprits already eliminated
I recently purchased a new bike (~7 weeks ago). Since day one, it has had an issue with chain slippage. I initially took it back to the bike shop from which I bought it, to be told that it was likely ...
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My chain slips despite new parts and tuneup
I use my bike for commuting, and so my knowledge of bikes is enough to make to work and back.
I have a trek 4500 mb. I purchased it used, and from the very first day I have had this issue where the ...
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Fixed Gear crank arm slips
The crank arm on my fixed gear "slips" when I put large pressure on the pedals like when I take that first pedal to get the bike moving or pulling up hard on my toe straps to slow down. The slip is ...
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My chain slips when I use an inappropriate gear, and the chain loosens when changing gears (most of the time). What should I do?
As the title says, it seems like my chain slips way too often. This happens if I pedal hard, go uphill, or ride at an inappropriate gear (even when not pedaling hard).
Besides that, it seems like my ...
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Chain slips/jumps occasionally (with all new parts)
Several months ago I replaced all gearing parts and switched from an 8 speed to a 10 speed system. All parts were brand new.
After replacing I noticed the chain slipping occasionally. Though I drive ...
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Why does my drivtrain skip under hard torque?
I recently purchased a new bike, a Specialized hardtail mountain model. It is on the cheaper side, but with the brand I expected a good ride. Less than a month of riding it, the drivtrain has ...
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Drivetrain wear -- questions on chain elongation and skipping
Pitch (i.e. the distance between two links/two cogs) is a major issue in drivetrain wear, which explains why waiting too long to replace a chain may lead to premature cassette replacement.
This being ...
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When starting to pedal, it takes half a rotation to "catch"
While power pedaling on my mountain bike, when I coast for a second, it takes a half a circle on my crank to catch. Can anyone tell me the problem?
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Chain skipping mid cassette after a clean
I have cleaned my chain and gears with rubbing alcohol and towels. Afterwards, I applied some chain lube on the chain. Now, when under a lot of torque, the chain skips and slips mid-cassette. Low ...
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I cleaned my cassette and changed my chain, now my freehub is slipping. What are the possible causes? [duplicate]
I removed my cassette, cleaned it and put a new chain on my mountain bike. All seemed to go well and went back together nicely. However when I took it out for a ride the free hub seems to be slipping ...
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Rear derailleur needs a couple pedalstrokes to change gear
As of late I'm having some trouble with my rear derailleur.
When I shift specific gears (most likely to happen to the middle gears), the rear derailleur feels like it doesn't have enough power and ...
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Chain slips to lower gear when pedaling backwards
I have a hybrid 18 speed bicycle which is able to shift through all gears on both the front and rear sets of gears. When on the largest gear on the front set (by the pedals) the chain will try to ...
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Chain Slip at front changing from large to small front chain wheel (with large cog at back)
I have a Pinnacle Neon 3 Hybrid, Shimano Sora 9 speed cassette and 2 chainrings at the front.
The bike is 2 weeks old and I've cycled around 65 miles so far.
Chain ring has come off 3 times at the ...
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Chain slipping in cassette when under load, could a different type of cassette work better?
This is my second modern bike and I got the same problem each time. The chain slips when under load (usually when I'm standing, but I can slip starting at a light and still sitting too). At first I ...
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Shimano 105 rear shifting issues
I'm disappointed with my new Cannondale and it's 105 group, I expected this to be a major upgrade from my previous trouble free bike with the bottom end group set. It's done about 500 miles, had new ...
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Chain slipping on middle chainring
I have recently replaced the chain and the cassette. Previous chain never slipped. I never had any problems with it at all. But I have made about 10 000 km on it and the wear was beyound any limits, ...
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Chain skipping with new chain and freewheel
I've recently (last 6 months) begun riding again after many years away and have begun updating components on my bike (a mid 80s era Fuji). After replacing the rear wheel and freewheel I developed a ...
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Chain skipping on new freewheel and chain setup - What went wrong?
BACKGROUND NOTE: The bike is a 1992 Univega MTB that originally came with 6-speed SIS with a triple chainring. I removed the SIS shifter when it broke, and went with a friction shifter. The bike is ...
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Pedaling causes rear wheel/pedals to slip
When I start to pedal, say up hill or have to move quickly, my pedals slip and I can't get any movement except for a really bad slip. When I'm on a flat straightaway and have to pedal I hear an awful ...
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Problems shifting under load [duplicate]
I've spent hours with my bike on the stand. On the stand: it performs great. When I ride, I can cause the rear gears to shift just by changing how hard I pedal (the harder i pedal, the higher up on ...
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Chain Slippage on MTB
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 and on gears 2-4 and sometimes 5 I'm having severe slippage ...
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Different Gear Type when there's no Front Derailleur?
I have a 7 speed Jamis Boss Cruiser, 7 gears in back and one up front. I've been using it fine for several months now. Lately, the chain is coming off of the single front gear, usually after stopping ...
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Fixed gear: slipping
I have a single speed bike with a flip-flop hub and recently I decided to try out the fixed side. When testing it out in the car-park I was applying backpressure to brake and found sometimes the ...
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