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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19 views

Why is part of this Derailleur loose? (Sun Tour Cyclone II)

As you can see from this picture, part of my Derailleur is loose. Notice how the gear is not in flush with the cylinder. It has a no other parts (that I can find!) than a threaded screw to go in ...
8
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1answer
175 views

Bike pump: what is this lump?

What is this lump in the picture and how does it work? I have another pump, which physically is the same but minus the bulge. The one in the picture seems to perform better, ie less work to reach ...
2
votes
1answer
109 views

What is the hydraulic brakes expected life?

I bought a pair of hydraulic brakes (Shimano BL-M395) for my MTB. After 8 months (less than 1,000 kms), both (front/rear brake) started to leak oil thru pistons, rendering pads contaminated and the ...
7
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5answers
1k views

How can I learn to take care of an old (70s era) road bike/get it back to working condition?

I found my mom's old road bike from the 70s tucked away in a corner of our attic. It's not in great condition and is pretty rusty. I don't know a lot about bikes from a mechanical or upkeep point of ...
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0answers
41 views

Can't find right headset adjustment

After a complete tear down and reassembly I can't seem to find the right tightness adjustment for my threadless fork / headset. If I loosen it to the point that the front fork turns freely, there's ...
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3answers
100 views

Shifter cable running beneath the bottom bracket without a sheath

I am trying to solve the neverending issue of my derailleur shifting on its own by replacing the shifter's cable and its sheath to see if it not sliding properly could be the cause of the issue. ...
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0answers
58 views

How to prevent spiders from making webs on my bike? [duplicate]

I really hate spiders and I'm afraid of them so this is really a problem for me. I use bike every day to get everywhere - to work, to shop etc. These nasty things can make a web in a matter of a few ...
2
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1answer
124 views

What's wrong with my tire?

My back tire caught a flat from a pot hole. The next day I take it to a shop and I get an inner tube change. From the shop I ride the bike home, but the tire catches another flat on the way. What do I ...
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1answer
54 views

Scott S30 road bike 11speed with 10 speed compatibility

I have a Scott S30 bike currently running a shimano 105 2x10 speed 50-34 crankset, shimano 105 10 speed front shifter and 10 speed cassete and chain. I have a new crank that i want to install, the ...
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2answers
85 views

Corroded brake levers

I think this corrosion comes from sweat. How can this be removed?
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4answers
117 views

Are rusty disc brake pads a worry?

I'm the fool who didn't wash the snow off his bike - it's a rusty mess. I've just taken apart the front disc brake as it was rubbing. I think that was more to do with the disc being bent, but as I ...
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1answer
77 views

How do I know I should replace the chain? [duplicate]

I have been riding a folding bike in the past. I have never replaced its chain. Recently, I have bought a second handed road bike for $500. I am afraid of the chain breaking suddenly. How do I know ...
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4answers
797 views

How to fix a sluggish bike?

I just bought a used mountain bike, and it seems to be slow. Pedaling seems like very hard work, and at a normal casual pedaling rate, I can only reach 4-5mph. If I pedal like I'm being chased by a ...
6
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2answers
223 views

Replace chain at 0.5% wear, or 0.75% wear?

Why do chain wear indicators have an indication for 0.5% wear and one for 0.75% wear? Are both measurements included because there is some personal preference from mechanic to mechanic, or rather are ...
1
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1answer
57 views

Visual inspection of wheel hub

I need to build a new bicycle (others are gone, stolen :( ). Good thing is, I have two spare wheels of decent quality in my basement. These old wheels took quite a beating though, when I was younger. ...
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0answers
93 views

Refurbishing mountain bike - left standing for couple of years

I've a Marin Rocky Ridge (2007) that I'd like to give a bit of an overhaul/refurbish as it's been left standing for two years or so. I'm just looking to know where would be common areas that would ...
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2answers
130 views

Will short arm crank conversion work for me?

I own an 18 speed "Columbia Journey Comfort Bike". Since having 2 knee replacements I find that I do not have enough knee bend to pedal. I have raised the seat & still cannot even do one ...
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0answers
30 views

Disc Rotor Alignment Mavic Crosstrail

I have a disc rotor alignment question you maybe can help me with. I have a Canyon Nerve AL+ 8.0 that's been working nice until the front wheel got stuck on the brake. First I thought it was a brake ...
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1answer
95 views

guide to correctly assemble a Walmart bike [closed]

I bought a genesis max air from Walmart last fall used it a few times before the winter and two weeks ago brought it back out. For the last two weeks me and the wife have been riding about 8 miles ...
3
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2answers
183 views

How to adjust cable length on integrated brake/shift levers, when there is no barrel adjuster?

I feel bad asking this question because I've been doing bicycle maintenance for over 20 years and this seems like a noob question. I was unable to find a Shimano manual to answer this question. I ...
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2answers
58 views

Restoring a 16"

This here is my 16" bike which I'm going to at least try restore. I've put some wider bars on it, fixed loose things etc. My friend removed the pedal back but I don't think he has put it back ...
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1answer
72 views

How do I fix U brakes?

I found an old bmx in my shed and I'm just doing it up a little as a good muck around bike. It's not very good, I don't even know the brand but i cut the front brake off, because it didn't even work ...
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1answer
46 views

Merida Matts TFS 600 original chain lube [closed]

What lubricant does the chain of a Merida TFS 600 bring from its factory? Thanks.
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2answers
152 views

Can't shift front gear, despite loosening, tightening, etc. What could be wrong?

Disclaimer: I'm clueless and am piecing together what little information I know from reading this site and from watching YouTube 'intro to repair' videos. I've been gifted a used mountain bike, my ...
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0answers
21 views

Cone size for Shimano Type D on Schwinn Cruiser

What size wrench do I need for the rear hub on my Schwinn cruiser? It is a Shimano Type D. Also, what grease is recommended that I might be able to by locally. Thanks to all.
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1answer
122 views

What size is the tiny ball bearing used in SRAM brake caliper quick release detents?

SRAM road brake calipers (mine are specifically Rival from 2011) have a quick release lever to facilitate wheel changes, as many calipers do. The SRAM QR lever has detents which make a little "click ...
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3answers
195 views

How long between spoke adjustments on a mountain bike?

I have a mountain bike that's now about 18 months old. At the 12 month mark I took it for its first annual service. Since then there's been a problem with the front wheel coming out of alignment. ...
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3answers
451 views

Shimano Sora 9-speed shifters “missing a speed”

First time posting, hope I can get some suggestions on this weird issue I've noticed with my shifting. I have a fairly decent understanding of how to maintain gears myself, and have made quite a few ...
2
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2answers
252 views

Converting an octalink bottom bracket and crankset to a fsa bottom bracket and compact crankset 9 speed

i currently own a 2002 Giant TCR 2 and have been pleased but as i am approaching 60 and hills aren't getting any easier was thinking of converting to a compact crank. I currently have a Shimano ...
0
votes
1answer
78 views

Essential regular things to do [duplicate]

I am a beginner cyclist.So ,I want to know which things I have to do regularly.And what will be the time interval ? Example :Pump,tuning etc.
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3answers
822 views

Burping v/s bleeding hydraulic disc brakes: is it safe?

I found a method for burping (get the air out of the circuit) hydraulic disc brakes in YouTube (see here). The method is: 1) Rotate/move the hand lever assembly until the reservoir cap is facing up ...
0
votes
1answer
104 views

Why would the tension screw on a Brooks saddle have unscrewed to zero? What negative effects?

Checking my saddle, the tension screw seems to have bottomed out to no tension applied. I added a small amount of tension to the screw, and the screw seems to have "taken." I've not tested if it ...
0
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1answer
93 views

Is there a way to convert the Park PCS-12 to PCS-10?

I have the bench mount PCS-12 but am looking to convert it to a floor mount. I haven't been able to find the base for the PCS-10, only the entire unit. Any suggestions? thanks
2
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1answer
239 views

Recessed brake pivot nut stuck in carbon fork

The recessed pivot nut for my front brake calliper (no. 4 in this diagram) has seized inside the fork. I've managed to remove the brake calliper itself by unscrewing it from the front, but the nut is ...
2
votes
5answers
342 views

Biking in the winter more difficult?

I have two kids (about 70lbs/30kgs combined) whom I during the summer frequently took biking in a trailer (once I got them used to it, say a dozen trips this summer or slightly more). I biked 5+ ...
2
votes
3answers
156 views

Inflating airspring fork with Topeak products

Today in receipt of a Topeak "Pressure-Rite Schrader Valve Adapter" to inflate my airspring fork, thinking it would work perfectly with my Topeak "JoeBlow Pro" floor pump. It doesn't work very well, ...
2
votes
2answers
185 views

Tips for winter maintenance?

A couple years ago I rode through the winter (took last winter off) and am looking to resume. My bike got hammered during the New England winter though, especially the hubs. Other than a regular ...
2
votes
2answers
194 views

What is this pumping nozzle called?

My local bike shop have one of these green nozzles that anyone can use to pump their bike. They say that only companies can buy those, but I would really like such for my blue compressor. What I like ...
2
votes
2answers
259 views

Should I restore my old mt-bike for winter commuting (and for wife to ride with me) or throw it away?

One year ago I moved to Boston and my father-in-law gave me his old Specialized mountain bike. He is a road bike guy so this bike was left aside for the longest time. It was in a decent shape. The ...
1
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2answers
173 views

Recovery after long ride

I biked the longest I have in my life; my previous record was one 12 mile ride, but today I went ~36 miles on my MTB. Should there be any steps I take to recover myself? Also what things should I ...
0
votes
2answers
156 views

How often should the headset be tightened?

I live in an area with a lot of potholes and commute daily (between 10-20 miles depending) on a modern road bike. Today while coming in hard (18+mph) to a stop, I went over a worn paving layer with ...
1
vote
1answer
148 views

Choosing New Rims/Hubs & Assessing Size

I have a 10 year old Trek 7300 FX hybrid which came with Matrix 750 double walled rims. "559 x 19" is marked on the sticker of these rims. The tyres fitted are 700 x 38C (622) - I'm assuming (should I ...
1
vote
1answer
209 views

My disc brake rotors have started to corrode. What can I do?

For the last two weeks, I was using my bike heavily in rainy weather. I was cycling during rain for hours. Now I noticed that the discs of my disc brakes started to corrode. What can I do now? Should ...
2
votes
2answers
770 views

The best way to deal with/prevent punctures on tubular tyres

I recently picked up some rather expensive tubular wheels on the back of a lot of advice to do with rolling resistance, comfort etc. However I've recently found I'm quite afraid to use them on long ...
0
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1answer
132 views

My Gears Are not Shifting Well

my gears are not shifting well. i can only shift from 1st to 2nd...i don't know what is the problem i have shimano revoshift gear enter image description here here are some images
0
votes
1answer
107 views

How to install brakes with clamps that are too tight

I recently picked up a set of Avid DB1's and put them on my bike, but it was a bear to get them on. For background, they've got a split clamp that is similar to a seat tube where simple compression ...
1
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2answers
139 views

BB Lockring won't completely tighten

I am trying to put the lockring back on my BB after adjusting it to reduce the play, but I am unable to full tighten it. I can hand tighten the lockring, but as soon as I try to use my hook spanner to ...
0
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0answers
30 views

I haven't ridden my bicycle in years. What basic maintenance should I check before hopping back on? [duplicate]

My bike has been sitting in a garage, untouched, for around 4 years. I recently grabbed it and brought it to my new house, and want to get back in the habit of riding. What basic things should I check ...
2
votes
2answers
220 views

Maintenance for a single speed bike

I love biking. And I also love maintaining my bikes. This is the first time I've gotten a single speed road bike, specifically this one. My question is, for maintenance purposes, what should I look ...
-1
votes
1answer
95 views

Adjust Rear Derailleur

10 speed Ultegra CS 6600. When I march up and down the gears on the stand it shifts fine. If I test it on the road and march up down the gears it shifts fine. But on a ride if I have been coasting ...