Repairing your bike when something is broken. REPAIR is not the same as MAINTENANCE, a separate tag. Repair is what one does only when something is broken. Maintenance is what one does on a regular basis.

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Maintenance of Fork springs on Marzocchi Bomber Dirt Jumper

I recently took my fork into my mechanic for service because it was making a rattling noise in one of the fork legs. Upon initial assessment he thought it was a broken return spring for the air ...
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2answers
360 views

RS Revelation '11 dual air fork leaks

I have a RS Revelation dual air fork. It's new, never used before. I installed it and after a few days I noticed, that it loses air. Maybe 20-30 psi over night. So at morning it's just too soft and ...
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129 views

cable too short to reattach into a sturmey archer 3 speed shifter

I've just been given a Rayleigh Chiltern. The only problem is, the cable has unattached from the gear shifter. I Googled how to re thread, but the cable isn't long enough at the top end to slide right ...
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132 views

Is my six-year old touring bike worth repairing?

My touring bike (which I use for commuting) needs repairs which will cost £200... half the price of a new one. I am not mechanically-minded.... and I am too busy and too old to learn! A new bike ...
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459 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 ...
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309 views

Possible Broken Shifter

My right Shimano shifter is now loose and clicking it doesn't do anything to the rear derailleur. I've checked the derailleur and it still works fine. How can I fix the shifter? Edit: It's a road ...
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977 views

Changing one of the chainrings on SR Suntour NEX crank?

I have a SR Suntour NEX (42x34x24) crankset and got my system really bad recently. But as I've used the second (34) chainring most of all I would like to replace only this one. Is it okay? Does my ...
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1k views

Slow lever return after shortening brake line and bleeding

I've just recently replaced the brakes on my MTB with a pair of Shimano XT hydraulics. The rear brake line was extremely long for my frame's routing, so I had to cut it and subsequently bleed the ...
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355 views

What exactly happened to my rear derailleur?

I had installed my front derailleur and was adjusting the high/low when I noticed my rear derailleur was hitting the spokes of my wheel. Suddenly, I saw a screw pop out and then my derailleur popped ...
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136 views

Planet Bike speedometer won't reset

I have a planet bike speedometer and after the winter season it seems that it is no longer functioning. It will come on when the bike starts to move but I cannot reset it and it seems to be frozen on ...
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508 views

Clicking gears on new Electra Townie 8i

I asked a similar question related to slipping gears here: Slipping gears on new Electra Townie 8i but now I no longer get slipping, but clicking noise when the pedals are rotated either forward ...
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50 views

Headset can't tighten enough without stiffening steering, damaged bearing retainers?

I've just cleaned and regreased my headset (which is the stock Cane Creek headset on my bike). In doing it I've noticed that the bearing retainers are out of shape; they are not perfectly circular or ...
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53 views

Rear Hub Axle Appears Bent – Causes and Repair Strategy

I had my rear wheel off of the bike noticed that as I spin the axle it appears to be bent – the freewheel end of axle, for lack of a better way to describe it, orbits the centerline of the axle. ...
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121 views

Tire pressure decrease when the bike is idle [duplicate]

I ride a Btwin MyBike 7s. Yesterday morning I noticed (for the first time since purchase) that in my rear tire, the tire pressure has decreased to a flat. I thought it was a puncture, so I refilled ...
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27 views

Best way to connect a wagon/ hitch [duplicate]

I welded a wagon for a bicycle. What is the best way to connect it so there will be free movement, but it will stay strong
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99 views

creaky sound when cranking [duplicate]

My bike seems to all of a sudden developed a creaking sound when I pedal. It appears to be there in every gear. Bu t I noticed it appears to only happen when I put pressure on the left pedal. What ...
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41 views

What sort of bike chain do I need for my bike? [duplicate]

Possible Duplicate: How can I tell which size chain my bike uses? I have a vintage Ross road bike, and the chain recently snapped during one of my rides. The bike has 2 gears in the front ...
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164 views

I'm worried about my derailleur snapping. The chain isn't running around the bottom pulley, it's running next to it

I'm worried about my derailleur snapping. The chain isn't running around the bottom pulley, it's running next to it, scraping against the bottom pulley and the frame. When I change gears it makes a ...
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180 views

How did this happen to my chainring?

So, this happened. All of this group of bolts but the one you see came out of my crankset: My question is.. how exactly do all those bolts wriggle themselves loose !? How do I determine what ...
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2answers
265 views

the derailer is touching chain and it won't let me go past 14 speed supposed to go 21 speeds

The derailer on my 21-speed bike looks like it's bent. It won't let the chain go onto the 3rd ring of the front derailer so, no I can't shift past the 14th speed. If I try it makes a loud sound, like ...
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143 views

Handlebars are slipping and the stem is cutting into my bars. How do I fix this? New bars and stem or just a new stem?

I bought a 2014 kink curb and I think I may need to buy new bars because my stem is cutting into them. I don't know though. If anyone could please help me with this.
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How bad is it **really** to bend aluminium rims? Requesting evidence based answers [closed]

Context: Bicycle wheels can become untrue if the rim is bent, e.g. from hitting a curb. The usual question: Can a bent aluminium rim be bent back straight? The two camps (figuratively): 1. Sure, go ...