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Questions tagged [wear]

A decline with use over time. (not clothes)

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3 votes
1 answer
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Normal wear on five ten freeriders?

So these are my five ten freerider elc shoes and I’ve had them from december last year (2017-present). The pedals on my bike are 2013 dmr v12 and cleaning my shoes recently I saw that a hole is being ...
user37640's user avatar
  • 134
4 votes
3 answers
11k views

Is movement in my bottom bracket an issue which requires attention immediately?

TLDR; my bottom bracket has movement when it shouldn't but no other issues / sounds / clunking. If I'm riding a few miles a day, is this likely to break catastrophically, or will it last another year ...
DavidW's user avatar
  • 43
1 vote
1 answer
239 views

Can standard cartridge wheel bearings "shrink" over time?

My front wheel has started to wobble a bit at the hub and it's most noticeable when braking at the lights, as the front wheel is doing like a "pulsing" sound when braking - like as if the wheel is off ...
Fandango68's user avatar
  • 1,272
3 votes
1 answer
2k views

Hope pro 4 rear hub wear

When I removed the Shimano 5800 cassette from the Hope 4 Pro hub I noticed that there is a significant axial play of the freehub body. Also I am able to slightly twist the driveside spacer from side ...
Yury Rudakou's user avatar
5 votes
2 answers
600 views

Does too high "B-tension" increase wear

This answer suggests that having B-tension adjusted so that the chain sits far from the cogs increases wear. Can anyone cite a source that says that? Experimental evidence would be preferable, but a ...
T.C. Proctor's user avatar
18 votes
2 answers
11k views

ParkTool CC-2 chain checker incorrect readings

My bike is equipped with Shimano Ultegra CN-HG701-11 chain. After only 600 km I measured it with ParkTool CC-2 and it gives 0.75% wear. ParkTool says For 11 and 12-speed chain, replace at or just ...
Yury Rudakou's user avatar
1 vote
1 answer
133 views

Replacement timing: bottom bracket after gear and chain

I am planning to do a massive replacement on my city bike: chain, gears (both front and rear) and also bottom bracket, as I noticed the pedals tend to oscillate to the sides when I load them. While I ...
L.Dutch's user avatar
  • 7,151
2 votes
2 answers
1k views

Bottle dynamo: the steel wheel quickly wearing down?

4 weeks ago I replaced the bottle dynamo on my bike (see this question). Now, after 4 weeks of commuting for a total of something less than 600 km, the dynamo runner looks like this It won't take ...
L.Dutch's user avatar
  • 7,151
5 votes
4 answers
906 views

How to minimize wear on brakes?

My daily commute consists of a quite steep last part (around 1 km with average 12% steepness). On my way back home when going downhill, I have to extensively use my brakes to (more or less) keep the ...
user3825755's user avatar
3 votes
2 answers
281 views

Do hardened chains cause more chainring and cassette wear?

I was reading the Sept 2016 issue of Bicycling where they were reviewing the SRAM NX series. The blurb for the SRAM chain (below) states that "The PC-1110 chain SRAM recommends for NX ... has ...
RoboKaren's user avatar
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4 votes
1 answer
6k views

Uneven Chain Ring Wear, or Manufactured This Way?

Bike - Trek DS 8.6 (2016) hybrid. Purchased August 2016 Chain set / chain rings - FSA Dynadrive 48/36/26 Shimano Deore front and rear derailleurs Chain - KMC Bike usage - roughly 600 miles since ...
Mike's user avatar
  • 153
7 votes
1 answer
690 views

How exactly does cross-chaining accelerate wear?

I've heard all over that cross-chaining "wears your drivetrain out faster". I must admit I'm not 100% convinced that this is true, because I can't see a scientific basis for it. Could I get an ...
BSO rider's user avatar
  • 5,735
10 votes
2 answers
3k views

How thin/worn out can you allow road bike rims to get?

My mechanic measured the rim off my front wheel to be 0.8mm thick and recommended to get a new wheel. How thin can a rim get until it gets very dangerous to keep riding it?
AzulShiva's user avatar
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1 vote
1 answer
503 views

When should a disc brake be replaced?

I've had my bicycle for about three and a half years. I use it just about every day, for a total of 30 kilometers of commute a day. The problem is that my disc brakes have started making weird noises ...
William Brochmann's user avatar
3 votes
1 answer
240 views

If chain/ BB/ casette are dead can chainrings and derailleurs still be OK?

I bought a brand new bike last May (2015 Brodie Elan) and proceeded to put 11,000km on it by November (cross Canada ride plus some commuting). Around the 11,000km mark I brought it back to the shop ...
SSilk's user avatar
  • 4,249
1 vote
2 answers
765 views

Shimano Deore front derailleur occasionally sticking

I have a question about my front derailleur sticking occasionally. I've had this bike for a 1.7 years and have ridden it through 2 winters. It has only been after this last winter that my front ...
JackJack Attack's user avatar
1 vote
2 answers
241 views

Rear Cassette worn + needs replacing - what other components to replace?

I have picked up a bike (Specialized Allez) recently that has a very worn cassette from not replacing the chain for an extended period of time. Therefore am looking to change it. I was wondering what ...
kicks66's user avatar
  • 11
2 votes
1 answer
867 views

When to change road bike

I own this Fuij Roubaix 2008 model road bike, its an aluminium frame with carbon front and rear forks. I already did 25000km on the bike and replaced wheels, chainring, a couple of cassettes, chains ...
Bogdan Petrica's user avatar
9 votes
4 answers
2k views

Do aluminium chainrings/cassettes contribute to chain wear?

In trying to achieve a long lasting, low maintenance drivetrain, I've read statements about aluminium oxide being the source of the black colour of chain dirt and also being highly abrasive: ...
Simon MᶜKenzie's user avatar
3 votes
1 answer
833 views

SPD-SL pedals uneven wear

I have been riding my road bike for about 10k km on those pedals (shimano ultegra spd-sl) and it just so happened that the left one is now worn much more than the right one (check out photos). You ...
Insane2101's user avatar
1 vote
3 answers
4k views

What does chain worn indicators 75% mean?

I've bought a chain wear checker made by BBB, but not sure what the percentage of worn is about? It has 2 sides, one of them indicates that the chain is worn 75% and I should replace it in the near ...
kisp's user avatar
  • 185
4 votes
6 answers
3k 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 ...
tvandenbrande's user avatar
2 votes
6 answers
2k 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 ...
Philip Couling's user avatar
2 votes
2 answers
31k 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 ...
LEANDER ROBERTS's user avatar
1 vote
3 answers
870 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 ...
allroadCole's user avatar
3 votes
2 answers
732 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 ...
ultimate's user avatar
7 votes
2 answers
2k 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 ...
user8409's user avatar
  • 123
4 votes
2 answers
3k 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 ...
Kozuch's user avatar
  • 203
9 votes
4 answers
2k 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 ...
James Bradbury's user avatar
7 votes
3 answers
2k 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 ...
Vorac's user avatar
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9 votes
2 answers
2k 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 ...
Benzo's user avatar
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4 votes
3 answers
4k 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 ...
ptpdlc's user avatar
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5 votes
3 answers
2k 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 ...
MrDaniel's user avatar
  • 768
4 votes
2 answers
10k 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 ...
James Schek's user avatar
26 votes
6 answers
76k 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?
Nate Koppenhaver's user avatar
2 votes
1 answer
2k 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). Should I ...
GvS's user avatar
  • 1,218
12 votes
3 answers
5k 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. ...
Brian Genisio's user avatar
14 votes
1 answer
1k 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 ...
Duncan McGregor's user avatar
24 votes
7 answers
63k 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 ...
darkcanuck's user avatar
  • 10.9k

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