Questions tagged [maintenance]

Tools, parts, techniques, and procedures to keep your bike in working order. MAINTENANCE is not the same as REPAIR, a separate tag. Maintenance is what one does on a regular basis. Repair is what one does only when something is broken.

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What is the most ecologically sustainable way to handle rags covered in chain grease?

I have a handful of cloths that I've used to clean and grease my bike chain over the years. Each is covered in chain grease and other gunk that was once on my chain. I'm starting to wonder what I ...
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3 answers
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How to clean gunked up spockets?

This is most certainly a dup of something, I just can't find it. Mods: merge away! Over the past months my rear spockets have accumulated a fair amount of gunk == chain oil + dirt + sand + hair + ...
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3 votes
1 answer
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Cracks on tyres

Have cracks of tyres on two bicycles. See attached photos. Bicycle 1 (top), 2 (bottom). It isn't dry rot ( What are these cracks in the side of my bicycle tyre called? Does this mean that my tyre is ...
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2 votes
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would a sturmey archer trigger shifter work on an shimano 333 3 speed hub?

Hi everyone i have an NOS shimano 333 3 speed hub set which was given down to me by my friend,all seems to be intact but the only thing missing is the shifter,but i do happen to have a few SA trigger ...
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7 votes
3 answers
1k views

Should I be worried about small cuts on a tubeless tire/tyre?

My tubeless tires/tyres have a few cuts around the tread pattern. They are each around 3–4mm in length. I've been proactive with topping up sealant and have not had any flats since riding with these ...
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1 answer
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Brake caliper not springing back all the way

I've got got some road caliper rim brakes which don't spring back all the way after pressing them. They go back 95% of the way but there is a tiny bit of left after that they can travel. (without the ...
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2 votes
2 answers
274 views

How To Maintain a Electric Bicycle?

I had purchase an electric bicycle - Meraki from Ninety one cycles. It's very convenient and easy to use, but I still don't know how to do maintenance of my electric bicycle at home.
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5 votes
1 answer
275 views

What is this black residue remaining on damper body of rear shock after rides?

About a month ago, I bought a used 2009 Stumpjumper FSR similar to this. It was not used heavily and remains in great condition. Recently however, after medium to long rides, a black residue is left ...
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4 answers
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Seat post keeps sliding down after cleaning and lubricating folding bike

The last time I used my folding bike I gave it a thorough clean, and used WD-40 on the moving parts and then lubricated them again with a silicone-based lubricant spray. This is an eleven-year old ...
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2 votes
3 answers
98 views

I'm looking for a freewheel wrench to repair a Schwinn Le Tour

I recently bought the bike and it seems that the grease has dried up in all the bearings. Even the front fork doesn't want to turn unless some pressure is applied to the handlebars. Since it is an ...
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8 votes
1 answer
680 views

When to change quick release springs

The wife and I are newer to longer distance riding and have been learning along the way. While this might mean different things to different people, we are training for an Ironman and will do a half ...
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2 votes
1 answer
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What bottom bracket tool is needed to install a miche evo max bb?

https://www.miche.it/en/products/strada/movimenti-centrali/evo-max.html It is 16 notch. I can't find information on this anywhere and instructions didn't come with the BB. I have tried the hollowtech ...
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2 votes
1 answer
242 views

Why does crank arm need both a bolt and teeth to be fitted to the spindle?

I think the title is self explanatory: why wouldn't either one or the other be enough? After removing the bolt, you still need a specific tool to pull off the crank arm from the spindle, because the ...
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11 votes
3 answers
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Pro and cons of "torsion based" torque wrenches

Brands like Canyon are delivering their bikes with torque wrenches that are based on the torsion resistance of the metal that mades up the wrench, like the one pictured below (for the working ...
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13 votes
7 answers
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How can I take part in downhill mountain biking on a budget

I have had an old specialized stumpjumper, and every 3-4 bike rides I go on something breaks or goes loose. In the past year and a half I have gone through: 2 rear derailleurs (the current one is on ...
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What are some pointers for newcomers?

Tldr: I'd like to know if there's any way for me to solve all of my problems on my own. Good day there, I'm new to this community, and I'm very excited to join! I'd like to learn at least the ...
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7 votes
3 answers
1k views

Is it common for derailleur limit screws to drift over time?

I've just been adjusting my front derailleur, and found that the upper limit screw was severely impeding my shifting. My trouble getting into the big ring has been steadily growing, so it seems like ...
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11 votes
4 answers
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After I lubricate my chain, I hear a gritty, sandy crunching sound coming from the chain and chainring. What am I doing wrong?

I tend to lubricate my chain about every 150-200 miles based on the conventional wisdom and general guidance I've read and heard. I have been using Rock N Roll Gold lube for some time, as it's been ...
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6 votes
2 answers
254 views

Seatpost/saddle moving down when riding

I noticed that that my saddle started moving down when riding (maybe 1cm/hour). When cleaning the inside of the seattube I noticed that the part at the height of the clamp became smooth, compared to ...
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2 votes
3 answers
209 views

How to make the grip stick in its place on the handlebar?

I have this unbelievably frustrating situation: Basically, on the right side of the steering handle on my bicycle, the "soft" (not really) rubber thing that you grip with your hand keeps ...
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4 votes
2 answers
248 views

Does it make sense to change the orientation of unmoving bearing components to equalize wear?

I was intrigued by some of the points mentioned in this question regarding grease fills, namely: [...] which means that the ball bearings get to distribute the load over the entire surface area, ...
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10 votes
3 answers
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Use non bike specific degreaser, is it safe?

I was using Park Tool degreaser but I ran out of it. Is it safe to use a non-bike-specific degreaser? The one I am using is the Screwfix No nonsense Heavy Duty Degreaser 5lt. I will probably switch to ...
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4 votes
1 answer
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Pedal arm clunking & falling off, how to fix? [duplicate]

The pedal arm on the opposite side from the cogs is making a 'thunk' sound once per cycle when near the top. It has come off twice, with no apparent thread or bolt damage. Both times the arm has come ...
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4 votes
1 answer
126 views

SRAM GXP crank partially stuck in bottom bracket

I (unfortunately) have a SRAM Apex GXP crankset that I need to replace after less than a year of use because it's garbage. But I can't get the crankset out of the bottom bracket. I've taken the bolt ...
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3 votes
3 answers
215 views

How hard is it to get hydraulic disc brakes “tuned” well?

A few days ago my rear (disc, hydraulic) brake started feeling a bit funny, then “went” completely. I took it to the shop where it’d just been serviced a week earlier and they said I must’ve got a ...
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3 votes
0 answers
92 views

Through axle came apart, can't put it back together

When pulling the axle out after disengaging the quick connect, the shaft won't push through and the other side all the little metal pieces fell out. Tire won't come out and cannot put it back together....
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1 vote
1 answer
92 views

Can the topbar(crossbar) be lowered?

Can the topbar(crossbar)on my fat bike be lowered? I will ask a bicycle mechanic to do this job.
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2 votes
1 answer
51 views

Pitting/spalling on a new cup in a hub

It has been said that cones usually are the first to show signs of pitting, but in this case there is a single 0.1-0.3 mm wide dent on a new cup only after 80 miles of use. Therere was no play when ...
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6 votes
2 answers
518 views

I lost one of the rear rear derailleur hanger screws, what could be the cause, and is it safe to ride before I replace the bolt

I noticed that I lost one of the two small screws on the rear derailleur hanger attaching the hanger to the frame on my road bike. Might there be something wrong with my shifting that caused that? ...
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4 votes
1 answer
897 views

What is this nut, and can I remove it and put it back without damaging it?

I am working on my bike and starting with derusting. The nut in the picture below has got some rust on it and since I am going for a proper looking-after I want to make sure everything is taken care ...
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1 vote
2 answers
105 views

PROMAX DECIPHER hydraulic brake hose replacement

I have a set of PROMAX Decipher hydraulic brakes and need to replace the hose cable (basically adapt these brakes to another bike and the cables length is longer). I would like to know how to split ...
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2 votes
1 answer
134 views

Is this level of wear okay on a new chainring

Very recently I bought my first new bike! I only did 750km on it so far. However the the chain rings are showing some level of wear, see picture. The teeth used to be all black, now you can see bits ...
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1 vote
1 answer
71 views

Replacement hardware

I have a number of mount holes and bottle cage holes that I am not using. Overtime the hardware has fallen out and I would like to replace it. However, I can find any replacement hardware at shops ...
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1 vote
2 answers
87 views

Bleeding brake lever impossible (sucks air)

I did the bleeding procedure for my Avid Elixir CR (hydraulic disc brakes), following the Avid service manual. While performing the last step, bleeding the lever, it seems that air was sucked in from ...
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4 votes
2 answers
1k views

Oil squirting from somewhere on bike during ride

I have a hybrid-style bike (Dawes Discovery 301) with a Shimano Alivio/Deore gearset. After a recent ride I noticed that the light-coloured t-shirt I was wearing had been speckled with oil around the ...
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6 votes
1 answer
567 views

Gear shifting is good enough after 6 years. Does that mean I don't need to replace my cables?

My road bike gear cables have never been replaced, they are 6 years old now. The shifting at the back needs at tune up now and then, more and more frequently as time goes. But once it's done the ...
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0 votes
1 answer
96 views

Chain clicking when pedaling?

I just purchased a new bike from my LBS today (Giant Escape 3 Disc 2021) and decided to take it out for a ride. I rode for maybe 4 miles and it rode perfectly for nearly the entire time until I ...
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2 votes
1 answer
124 views

Cottered Crank Bottom Bracket

Can anyone help me identifying the bottom bracket? It had a cottered crank arm but only on one side, the other side has nothing. I have no idea how to remove the spindle. I already tried hammering it ...
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2 votes
2 answers
175 views

Shifting cable maintenance/swap with internal cabling on Cube nuroad

I need some guidance on how to replace the shifting cable on a Cube nuroad with its internal cable routing. I prefer not to replace the outer cables nor to remove the hydraulic hose. The hydraulic ...
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0 votes
1 answer
118 views

Cannot remove campagnolo zonda freehub

I have tried following tutorial videos to service my Zonda rear wheel bearings - I want to cleanup the grim and regrease the bearings - such as They all show that ...
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0 votes
1 answer
66 views

Shimano FC-M131 crank arm bolt

I have a Shimano FC-M131 crank arm and I want to use a bolt for the axis. I have tried an M20 bolt but it is too loose. I have measured the inner diameter and it is 20.8mm, slightly larger than the ...
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0 votes
1 answer
83 views

Disc brakes rub under load

Recently I started to have issues with my gravel bike, which I bought in April 2021, a Specialized Diverge Carbon Comp. The first issue happens to be a clicking / creaking of the crankset when under ...
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4 votes
0 answers
205 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 ...
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7 votes
1 answer
357 views

How do I take apart a modern Silca Impero frame pump?

I have a new frame pump and I want to take it apart. All the way - down to the metal tubes. This is the top of the air chamber and I don't know how to proceed. There is no trim piece covering this and ...
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4 votes
3 answers
479 views

What non-obvious maintenance should I do after 6 years/~25k km without professional service

I've ridden my commuter and touring bike (cyclocross frame, but with mudguards, rack, hub dynamo etc.) extensively for the last six years and a total of maybe 25 000 km (~15 000 miles). It has seen a ...
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2 votes
2 answers
539 views

Can we put V brakes on a frame that had cantilever?

I'm trying to "upgrade" a frame that came originally with cantilever to V brakes. I'm finding really difficult to make it work (as in: when pulling the lever the pads go over to one side and ...
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0 votes
0 answers
85 views

My shimano ultegra quick release is not working because the ball bearing inside got lost, can someone help me to identify the size of it?

Can someone help me because my ultegra caliper quick release system is not working because the ball bearing inside got lost (see picture below)
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3 votes
4 answers
404 views

How do I remove this particular rear cassette?

I'm having a hard time trying to remove this cassette; sheer force isn’t working well, nor leverage, here are some photos: The rear wheel is off an old road bike.
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1 vote
3 answers
214 views

What is the lowest total cost way to lubricate a chain? [closed]

I know there are numerous different ways of lubricating a chain. Some prefer to remove the factory grease from a chain and lubricate it with a different lubricant immediately, others use the factory ...
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  • 11.5k
9 votes
2 answers
2k views

Why do cones need special wrenches?

Question is in the title. In other words: why aren't the cones made in such way that you can tighten them with a "normal" wrench? Is this only for historical reasons, or does it have any ...
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