Wheel rim life
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Wheel rim life
Postby tez001 » Sun Jul 20, 2014 3:59 pm
Is 5000kms around what these rims can take (knowing that individual braking habits also affect rim life).
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Re: Wheel rim life
Postby Saturnstarzz » Sun Jul 20, 2014 4:44 pm
How often do clean them and the brake pads.
5000kms sounds low, my RS10s (essentialy the same wheel) have done around 15,000 in all weather.
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Re: Wheel rim life
Postby tez001 » Sun Jul 20, 2014 5:02 pm
One more thing for the maintenance list. What is the best stuff to wipe down the rim with?
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Re: Wheel rim life
Postby reefer » Sun Jul 20, 2014 5:05 pm
Its all been city riding having not left the greater Townsville city.
I clean my bike every week.
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Re: Wheel rim life
Postby biker jk » Sun Jul 20, 2014 5:11 pm
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Re: Wheel rim life
Postby tez001 » Sun Jul 20, 2014 5:23 pm
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Re: Wheel rim life
Postby Tim » Sun Jul 20, 2014 6:37 pm
The little wear indicators fill up with dirt. Dig them out with a bit of wire or a nail. I think you'll find there is tons of life left. 5000km's is nothing.
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Re: Wheel rim life
Postby insightt47 » Mon Jul 21, 2014 3:29 am
Baby wipes are a quick and convenient way of cleaning the rims, or just use a wet cloth.
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Re: Wheel rim life
Postby tez001 » Mon Jul 21, 2014 7:41 am
Are stock Shimano pads ok or is the compound hard?
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Re: Wheel rim life
Postby Nobody » Mon Jul 21, 2014 9:27 am
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Re: Wheel rim life
Postby insightt47 » Mon Jul 21, 2014 12:04 pm
Ill never use cheap Shimano pads again. I bought some for $15 from my LBS and I could tell after a couple of weeks riding that they were eating away the rims. The average rider probably wouldn't notice but when your doing a lot of km its obvious.tez001 wrote: Are stock Shimano pads ok or is the compound hard?
I always use Swisstop Black pads which are completely absent of abrasive materials which damages the rim. Theres very little difference, if any between those and the green/GHP versions. On wiggle you can get a pair for $30 or pay up to $100 at your LBS. Have a look at your pads and see if you can spot some silvery specs. If you can it means your pads are using abrasive materials.
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Re: Wheel rim life
Postby jules21 » Mon Jul 21, 2014 12:58 pm
i do ride in the rain, but i don't do a lot of commuting on these wheels - they're on my training road bike so i don't brake that much - a lot of open road stuff. they will wear faster if you're riding in the city with a lot of stop-starting.
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Re: Wheel rim life
Postby lynskey_rider » Wed Jul 30, 2014 2:30 pm
You can get a pair of shimano r501's for ~$120, so cheapy pads (compared to tge expensive koolstop ones) might not be such a bad thing.
But relating to your rim wear, 5000km is nothing!
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Re: Wheel rim life
Postby tez001 » Wed Jul 30, 2014 4:51 pm
I agree that a cheap set like the R501s are cheap to replace.
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Re: Wheel rim life
Postby Drizt » Wed Jul 30, 2014 7:38 pm
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Re: Wheel rim life
Postby Six13 » Sat Aug 09, 2014 3:08 pm
Potentially a daft question... where is the rim wear indicator on the RS80s? I can see a hole opposite roughly opposite the valve hole, but thats not on the brake track.Tim wrote:Nearly 20,000km's on my Shimano RS80's and I never clean the rims or brake pads. Don't often ride in the rain.
The little wear indicators fill up with dirt. Dig them out with a bit of wire or a nail. I think you'll find there is tons of life left. 5000km's is nothing.
A photo to illustrate would be super useful!
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Re: Wheel rim life
Postby biker jk » Sat Aug 09, 2014 4:15 pm
There's a hole in the brake track opposite the valve hole. Believe me, I just checked my RS80 rims.Six13 wrote:Potentially a daft question... where is the rim wear indicator on the RS80s? I can see a hole opposite roughly opposite the valve hole, but thats not on the brake track.Tim wrote:Nearly 20,000km's on my Shimano RS80's and I never clean the rims or brake pads. Don't often ride in the rain.
The little wear indicators fill up with dirt. Dig them out with a bit of wire or a nail. I think you'll find there is tons of life left. 5000km's is nothing.
A photo to illustrate would be super useful!
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Re: Wheel rim life
Postby Six13 » Sat Aug 09, 2014 4:24 pm
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Re: Wheel rim life
Postby biker jk » Sat Aug 09, 2014 4:57 pm
Yes, opposite side of rim to the valve hole. If you can't see it then your rims are worn out.Six13 wrote:Daft question... opposite side of the wheel to the valve hole? Huh I guess if I don't see it then the rim is below minimum wear?
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Re: Wheel rim life
Postby Dragster1 » Sat Aug 09, 2014 5:34 pm
Give them a good wipe with metho or thiners sometimes the crap fills in the holeSix13 wrote:Daft question... opposite side of the wheel to the valve hole? Huh I guess if I don't see it then the rim is below minimum wear?
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Re: Wheel rim life
Postby warthog1 » Sun Aug 10, 2014 1:22 pm
When it rains grit sticks to the wet rims and ends up embedded in the pads. As you brake the water and grit act like a cutting compound and the rim wear is accelerated drastically. I have an all weather commuter and the rims are getting a hammering as I have a steep downhill section on my commute ridden in the dark in winter. It is well poulated with roos so I am on the brakes a fair bit. The sound coming from the rims in the wet is a shocker and the pads end up with an aluminium slurry on them.
Whilst I reckon your rims are still prob OK at 5k km, If you ride and brake alot in the wet you will wear them out.
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Re: Wheel rim life
Postby bokehbikes » Mon Aug 11, 2014 12:31 am
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Re: Wheel rim life
Postby insightt47 » Mon Aug 25, 2014 12:32 pm
My rear rim is getting pretty thin. Whats likely to happen if keep riding on the wheels when its not safe to do so? ill the rim suddenly give way, or crack, or am i more likely to see a gradual decrease in stiffness?
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Re: Wheel rim life
Postby ldrcycles » Mon Aug 25, 2014 12:38 pm
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Re: Wheel rim life
Postby Duck! » Mon Aug 25, 2014 1:53 pm
Cleaning & filing pads depends a bit on the conditions you ride in; wet conditions will get more crud into the pads than dry. Still probably worth popping the wheels out once a week & checking the pads for bits of grit. Pick these out with tip of a sharp blade.insightt47 wrote:I might try filing down the brake surface. How often should i do it?
My rear rim is getting pretty thin. Whats likely to happen if keep riding on the wheels when its not safe to do so? ill the rim suddenly give way, or crack, or am i more likely to see a gradual decrease in stiffness?
Rim failure will be progressive; they'll start by developing a distinct concave face as they bulge out, then they'll crack at the base of bead hook, and eventually blow off.
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