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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2
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2answers
98 views

When using a ptfe & paraffin waxed chain, does the casette require any lube?

I'm going to give chain waxing with PTFE and paraffin a shot as I'm sick of filthy dirty hands when I get a puncture. I've read quite about about the process of cleaning the chain and applying the wax ...
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1answer
65 views

Identifying bottom bracket type

Looking to buy an eccentric bottom bracket for adjusting the chain tension, however before ordering need to make sure it is compatible with my bb shell. There are following types of eccentric BB: ...
3
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2answers
73 views

Handlebar re-alignment

I have just bought a new bike. However it was delivered with the handlebars at 90 degrees to the front wheel. How do I align them? The bike is a Carrera Vengeance ebike.
9
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2answers
170 views

Why are cassettes replaced more often than front chainrings and derailleur jockey wheels?

On a bike there are three kinds sprockets that the chain comes into contact with: the chainrings, cassette, and derailleur jockey wheels. It seems that the standard practice is to replace the cassette ...
3
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1answer
51 views

How do I disassemble these AHF pedals?

I am trying to disassemble a set of pedals to service them but I can't figure out what tool to use on the nut (see photo). I just need them temporarily until I can cycle to the bike co-op to change ...
5
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4answers
2k views

What do I need to do to bring this bike back to life?

I've neglected this bike, a Marin Bridgeway, for the past 3-ish years. It's spent a significant part of that time sitting in the sun and (occasionally) rain. I want to fix it up again, but I have no ...
3
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2answers
133 views

Chain wear due to standing while pedaling

Does standing up while pedaling increase chain wear (lengthen chain) faster than pedaling while seated?
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0answers
27 views

Ribble CGR Ti - Replacement Gear Hanger

The gear hanger on my bike broke about 3 weeks ago. This is a sacrificial part, but Ribble are out of stock and seem to have no idea when this critical part will be in stock again. I have looked on ...
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2answers
71 views

Resources for bicycle compatibility

I'm looking to build my own bicycle. The main thing I care about is compatibility. I've been researching around and have found various gold nuggets along the way: YouTube - How To Build A Bike From ...
3
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1answer
63 views

What would cause a pedal to loosen from its spindle while riding?

I recently serviced an old pair of Wellgo platform pedals. They were already old and well-used by the time I got them, and they were slightly too loose, but useable. I rode on them for a few months ...
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2answers
96 views

Which brake pads for these old cantilever brakes?

I need to replace all the brake pads on these old Mafac cantilever brakes on my bike. I have currently a mix of the original style and a modern replacement. I went to a local bike shop and they gave ...
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2answers
57 views

Campagnolo Super Record H Screw

I am having trouble adjusting the shifting on my Campagnolo Super Record rear derailleur. I have set the high and low limit. I think the main problem now is that the jockey wheels are too far away ...
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0answers
47 views

What and where is the weeping port on Shimano MTB brake levers?

I understand that when you overfill some models of Shimano hydraulic brakes with oil, the excess will flow out of a one-way valve called weeping port, but cannot find any technical documents, pictures ...
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2answers
214 views

Quick link won't 'click'

I'm brand new to bicycle maintenance/repair and just replaced my chain for the first time which I'm very excited about. I do, however, have a problem. I used a quick link to attach the chain and I ...
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2answers
53 views

How do I figure out what the model number is of my Shimano rear derailleur?

Here are pictures of my current derailleur I need to replace.
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0answers
44 views

Hydraulic disc brake - lever slowly touches bar

I have a magura disc brake. When I pull the lever and keep applying constant pressure to it, it slowly retracts all the way to touch the bar. This process takes about 10 / 15 seconds. I have tried to ...
3
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1answer
51 views

Fulcrum Racing 5 LG freehub replacement - drag

I just replaced a Fulcrum racing 5 LG free hub. Once it was all together, it seems a bit tight. With the bike on the stand, when I spin the pedals, and release, the pedals continue to rotate. So the ...
4
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2answers
113 views

Movement in head tube/fork?

I have a BH road bike and it has some movement with the tube that connects to the fork. I took it to a bike shop for a tuneup. When I picked it up the guy mentioned the issue. He said he tightened ...
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0answers
48 views

Rear wheel keeps ending up squint, axel on cassette side lateral movement?

I have an old(?) 2010 Carrera Vulcan MTB and the rear derailleur hanger broke a few months ago (my son accidentally bashed it with his bike). Even though the bike is old, it has not really seen much ...
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4answers
2k views

At what point should you stop repairs and get a new bike instead?

My bike has passed its prime, one by one parts start to break, and replacing them keeps eating more and more money. Which made me wondering, is there any rule of thumb of when it is more economical to ...
4
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1answer
107 views

Removing an internal headset before pulling the fork?

I'm completely taking apart a 2014 Kona UTE (for fun, and to clean it, but nothing wrong with it). I'm not sure how to proceed with the fork. It is now "bare" (no wheel, no cable, no handle, ...
3
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1answer
45 views

Reinforced pin replacement with a missing/quick link

Usually, when breaking a bike with Shimano reinforced pin, the general recommendation is that you find the reinforced connecting pin but then move to another pin, a few links aways. It is the "...
2
votes
1answer
110 views

Carbon taperd road fork - use crown race or not?

I have a 2016 Trek Emonda ALR 5 with a carbon fork. I am assembling the bike after general maintenance, and have noticed that I am missing (or: think I'm missing = am not sure) a crown race for the ...
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0answers
9 views

How to replace lever adjustment knob on guide r brakes

I broke the lever pull adjustment knob on my guide r brakes is there a way to replace this knob? Or any hacks that can be done to put it to maximum reach?
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1answer
72 views

Is my wheel broken?

The other day my inner tube suffered a blow out and I'm wondering if this is the cause One side of the joint in the wheel seems to have come out of alignment and now there is a sharp bit sticking out....
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6answers
907 views

Yes/no replace chainrings+cassette after chain failure?

I had a pretty bad chain failure a couple of days ago. I bought the bike second hand about a year ago, and in all fairness I had not done much maintenance on it since. I discussed with a friend and ...
3
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3answers
185 views

WD40 for crank arm

There is visible rust where my left crank arm meets the bottom bracket which I believe is the cause of the creaking (only present when pedalling hard on left side). Is it okay to spray WD40 in there ...
3
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1answer
49 views

Direction of saddle clamps on seatpost

I have a seatpost from a Canyon Dndurace AL 7.0 from 2016. The seatpost has a saddle clamp consisting of two parts. The lower part has one long end and a shorter one. I can rotate both parts of the ...
1
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1answer
49 views

Installing flat pedals (with pins) on a MTB for rainy/wintry conditions?

I have some RaceFace Chester pedals that I want to install on my beater MTB, but I'm not sure if it's a good idea. Basically, I have two bikes and I want to use one for the "bad" weather conditions (...
2
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1answer
82 views

What is air pressure on Marzocchi forks?

I have changed oil in a set of Marzocchi Drop Off forks with 110mm travel. I can’t find the recommended air pressure on Marzocchi website. There is a spring on one side. I think they are 2004 but not ...
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4answers
97 views

Where is the valve in my handpump - and what stopped it working?

I have quite an old handpump that fits on my frame. It looks like it's called TOPEAK "miniDUALG - optimised for MTB/ROAD." It has a pressure guage and various bits that screw the handle to the body ...
4
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0answers
102 views

Hole cover under bottom bracket: what is it and how do i screw it back in?

So I got curios what is behind this cover and had a look. Turned the bike upside-down, unscrewed it and took it off. When trying to screw it back in, I realized that there is nowhere for the screw to ...
2
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2answers
236 views

What can I use to replace a Shimano Deore LX RD-M581?

I've got a trusty Marin East Peak XC from 2008, but the rear derailleur's adjustment screws have all sheared and I need to replace it. The derailleur is a Shimano Deore LX RD-M581, but I can't find ...
3
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2answers
244 views

Crank removal tool broke. Before I buy another, what did I do wrong?

In my (first) attempt to remove the crank arms from a bike, I broke the crank puller (Super B TB-6485). I applied more force than I was comfortable with, thinking the threads had perhaps rusted over ...
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0answers
26 views

Are Tacx turbo trainer frames the same across models?

All of Tacx' wheel-on turbo trainers look like they have the same frames (looking at current rather than older models). Can anyone tell me whether it's possible to upgrade from say a Flow to a Vortex, ...
3
votes
1answer
84 views

What do I do with this during SR suntour lower leg service?

I'm trying to do a lower leg service on my fork: SR Suntour Epixon 29er https://www.amazon.co.uk/gp/product/B014UQDX9Y/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1 I've removed the rebound ...
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0answers
70 views

Good Bicycle Degreaser

Today I cleaned my chain with the Park tool CM-52 and it was really effective. However, I ran through half of the park tool bicycle degreaser. I'm thinking of purchasing this degreaser from my local ...
4
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2answers
83 views

How to access bearings on this headset?

Since a while my racing bike seems to have delopped a little crackling noise in my headset. I thought servicing the headset bearings might be a logical first step. Unfortunately, when I opend it up I ...
8
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5answers
2k views

Should I be worried about sand in the chain?

This is about my daughter's (10yo) bike. It's fairly new, maybe about a year old (bought it off a relative who changed her mind). We're no active sporting family, but with this social distancing and ...
1
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3answers
137 views

Is my bike chain skipping?

I’m new to cycling. I bought Giant Contend AR 1 road. It seemed to be normal the first time I rode it but the second time the chain felt like it was loose. Excuse my ignorance on bike stuff. I really ...
0
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1answer
99 views

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 ...
7
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2answers
875 views

Cycled through pothole on carbon frame - damaged?

Yesterday while out on my daily exercise (I live in London) I had to cycle through a pothole (bus too close behind so couldn't swerve or stop) that jolted the whole bike. I then noticed a rattling ...
1
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1answer
105 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'...
2
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3answers
124 views

How do I put a lower seat clamp on my Alinker walking aid?

I have a walking aid called an Alinker http://www.thealinker.com/ It looks like a bicycle but it has no pedals and any bike shop can service it. My issue is the seat it's a older style so has 2 ...
2
votes
1answer
92 views

Help me fix play in Gossamer cranks

I just bought a used bike for cheap. The crank/pedals feel loose and wiggle a bit from side. I notice there's a hole straight through the crank where I feel like some part is missing, perhaps some ...
5
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1answer
120 views

How can I undo the locknut on this Shimano 105 hub

I'm having trouble working out how to properly service this Shimano 105 rear hub. I've watched some videos, read Leonard Zinn's book and following Park Tools' instructions, but it doesn't help. I've ...
0
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2answers
96 views

What type of nut do I have here?

I had the most bizarre experience of trying to determine what kind of nut I have. I own a Schwinn Santis made by Pacific Bicycles. The rear tire had a bolt and nut. I took the nut to Home Depot and ...
1
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2answers
826 views

How to get water out of the frame?

Now the (seatpost and QR) has been practically replaced by an (internally routed riser setpost) tightened with a torque wrench. I disagree with the accepted answer here - sometimes above 1 liter of ...
2
votes
3answers
122 views

Are there any downsides to cheaper biodegradable degreasers?

I’m after a cheaper (than the bike-specific brands) biodegradable degreaser for cleaning my bike chain. I have found a few which are apparently biodegradable, however, I’m wondering if there is ...
9
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5answers
4k views

How to maintain the bicycle after a commute, when not home?

When I commute, which is a 20 minutes bicycle trip, I'm able to park the bicycle indoors at a facility, where I can rinse water off of it. See my other question regarding whether or not this is a good ...

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