A decline with use over time. (not clothes)

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15
votes
6answers
14k views

Does this chainring need to be replaced?

Here is a closeup of my triple: All three rings are Shimano Ultegra and have never been changed. They probably have at least 12000+ km on them. I've been pretty good about changing the chain ...
13
votes
4answers
23k views

How to tell when to replace cassette?

How do you tell when it's time to replace a cassette? Are there any specific wear patterns on the teeth to watch for or symptoms specific to a worn-out cassette?
11
votes
3answers
2k views

How to avoid wearing out gears?

I have a Specialized Tricross which I bought new last year. In that time (approximately 1K miles), I wore out my chain and gears. At least two of my gears are still slipping, even with a new chain. ...
11
votes
1answer
940 views

Do I need to change my cassette if I can't see any wear?

I bought a new road bike with Campag Athena 11 speed in March last year. To the end of Jan it had covered 9000km. In all that time I hadn't changed the chain because I don't have the Campag tool, and ...
7
votes
3answers
445 views

Do wider tires wear better?

I'm interested in road bike tires and how width affects how long they last. It seems common-sense that a wider tire would wear better, as there's simply more of it to "spread" the wear, but I'd like ...
5
votes
1answer
345 views

Can I flip my worn chain to extend it's life?

Assuming my chain is showing that it's worn and getting close to needing replacement due to chain 'stretch'. I know you can flip single speed chainrings to extend their life when they become worn. Can ...
5
votes
2answers
230 views

Help with cassette, worn or not?

I have done exactly 2879 km on my cassette, and currently I got myself a new chain which is a third for this cassette. With first chain I made 1985km, but I already noticed a significant degradation ...
4
votes
3answers
590 views

Is it normal to wear out the rear tire with in a few months when using a trainer?

Early this year I attached my bicycle to a trainer, around the December time frame of 2011. The rear tire and inner tuber where shot by March of 2012. Riding about 24 Miles per week. Is this normal ...
4
votes
2answers
4k views

What are common causes of premature chainring wear?

My bike mechanic told me today that my front chainrings are starting to wear out and I should consider replacing it soon (with my next chain replacement). The cassette is still in good condition and ...
4
votes
2answers
780 views

Does ProPedal on FOX RP2 rear shock wear out when on during downhill?

Yesterday I forgot to turn off ProPadal before quite nasty downhill ride on my Fox RP2 rear shock (riding Giant Reign 2011) - I can imagine this makes no real harm to the shock but think there can be ...
3
votes
3answers
340 views

What are the most common causes for hysteresis in the rear derailler?

I have often seen derailleurs on cheap MTBs to degrade in performance by showing hysteresis. By that I mean that to switch to a certain cog, one needs to shift one cog further and then immediately one ...
3
votes
2answers
124 views

Is wear on this derailleur pic normal?

I have had issues with noisey drivetrain and inconsistent shifting despite indexing adjustment. I have found wear on the top jockey wheel cage, is this normal or should the chain not rub here? Does ...
2
votes
6answers
934 views

Which usually wears faster - wheel rims or brake blocks?

I was wondering which you'd expect to wear faster: wheel rims or brake blocks. The reason I ask is that my mileage has shot up the last couple of years so I'm seeing a lot of wear on things I never ...
2
votes
3answers
670 views

(V-)Brake pad lifespan

Just for the record, my rims are brand new (~800 km) and clean. I have a set of KoolStop salmon brake pads (actually 2 sets, .... well, front and rear). I installed them ~600 km ago and I already had ...
2
votes
5answers
131 views

Croozer bike trailer optimalisation for less tire detoriation

We love to travel by bike. Last summer we did a trip of about 650km on mostly asphalted roads (with quite some medium long climbs and descends) with our son in a bike trailer (type Croozer, see ...
2
votes
1answer
798 views

Switch front and rear tire for distributing wear [duplicate]

Possible Duplicate: Should I change both tires when I need to change one? On my road bike, my rear tire has much more wear as my front tire (reported by others on this site as well). ...
1
vote
2answers
222 views

How long should brake pads last? [duplicate]

My son is new to comuting by bicycle. He brought a brand new bike and after just one week was having problems with the brakes. He only rides approximately 6–8 miles a day. Halfords advised that his ...
1
vote
3answers
150 views

I just replaced my cassette, do I need replace the 2 month old chain?

I replaced both my cassette and chain in July (2.5 months ago). For some reason my chain started skipping when I was in the smallest cog in back. I took it to a shop, they could not find anything ...