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Search: Posts Made By: Kimmo
Forum: Bicycle Mechanics 04-20-16, 04:39 AM
Replies: 7
Views: 243
Posted By Kimmo
Hard to see it hurting, unless the rim is narrow,...

Hard to see it hurting, unless the rim is narrow, in which case it might complicate tyre mounting a little.
Forum: Bicycle Mechanics 04-20-16, 04:25 AM
Replies: 13
Views: 336
Posted By Kimmo
IME the 9s shifters have some extra failure modes...

IME the 9s shifters have some extra failure modes over the relatively bulletproof 8s STIs, which pretty much only suffer from sticky grease... they also suffer from wear, and/or tired springs.
...
Forum: Bicycle Mechanics 11-23-15, 11:46 PM
Replies: 36
Views: 797
Posted By Kimmo
Properly adjusted loose-ball hubs don't wear out...

Properly adjusted loose-ball hubs don't wear out unless they're contaminated, and it's easy to clean and re-grease them. And when they wear, first it's the cones, then the balls and finally the cups....
Forum: Bicycle Mechanics 11-20-15, 09:28 PM
Replies: 31
Views: 1,259
Posted By Kimmo
I think they had hubs with those too.

I think they had hubs with those too.
Forum: Bicycle Mechanics 11-20-15, 09:27 PM
Replies: 31
Views: 1,259
Posted By Kimmo
All the clipless pedals I've disassembled had the...

All the clipless pedals I've disassembled had the same setup: a sleeve with loose-ball cups on each end that's press-fit into the hub body via threaded sleeve. Not that I've disassembled a whole lot...
Forum: Bicycle Mechanics 11-20-15, 09:13 PM
Replies: 30
Views: 4,282
Posted By Kimmo
I just had a look at the link; it looks like a...

I just had a look at the link; it looks like a copy of a Shimano hub, probably about the same quality as 105 or Ultegra. Funny that the Ultegra-grade steel cassette body as a spare is $2 less than...
Forum: Bicycle Mechanics 11-20-15, 12:11 AM
Replies: 30
Views: 4,282
Posted By Kimmo
105 usually used to mark the point where you got...

105 usually used to mark the point where you got the best bang for buck, but now Shimano's brought back RX100's spot in the lineup with Tiagra: same shaped stuff as 105, bit cheaper. Sora is like RSX...
Forum: Bicycle Mechanics 11-19-15, 11:57 PM
Replies: 57
Views: 1,680
Posted By Kimmo
Instead of pimping up old clunkers, you're far...

Instead of pimping up old clunkers, you're far better off finding a good deal on something just a few years old; you'll get way more bang for your buck.
Forum: Bicycle Mechanics 11-19-15, 11:49 PM
Replies: 6
Views: 374
Posted By Kimmo
Thomson like to use wimpy 3mm bolts for the...

Thomson like to use wimpy 3mm bolts for the steerer and bar clamps on their stems, at least on the Elite X2... that might have something to do with it.

If you're concerned about doing it dry, just...
Forum: Bicycle Mechanics 11-19-15, 11:45 PM
Replies: 22
Views: 4,636
Posted By Kimmo
Get the axle out of the hub, and spray WD40 into...

Get the axle out of the hub, and spray WD40 into the gap between the bearing cup and the shell of the cassette body (you'll need to remove the dustcap).

Keep pumping it in there while spinning the...
Forum: Bicycle Mechanics 11-19-15, 03:42 AM
Replies: 7
Views: 616
Posted By Kimmo
Sure looks like a manufacturing defect - very...

Sure looks like a manufacturing defect - very surprising for Shimano, but it's from just before when they really started doing great stuff.
Forum: Bicycle Mechanics 11-19-15, 03:34 AM
Replies: 31
Views: 1,259
Posted By Kimmo
BTW, most pedals are loose ball... come to think...

BTW, most pedals are loose ball... come to think of it, I don't think I've ever found cartridge bearings inside a pedal.
Forum: Bicycle Mechanics 11-19-15, 03:22 AM
Replies: 247
Views: 9,090
Posted By Kimmo
There's no harm in having more chain, up to the...

There's no harm in having more chain, up to the point it goes slack in small/small, except to add a little weight... and each inch you add lengthens the chain's life by 1.75% or so.

And the thing...
Forum: Bicycle Mechanics 11-19-15, 12:06 AM
Replies: 2
Views: 432
Posted By Kimmo
Doubt it.

Doubt it.
Forum: Bicycle Mechanics 11-19-15, 12:02 AM
Replies: 30
Views: 4,282
Posted By Kimmo
I'd guess there's more difference in quality...

I'd guess there's more difference in quality between Sora and Tiagra than between Tiagra and 105, despite the design being more different between Tiagra and 105.

TL;DR: get the Tiagra hub.
Forum: Bicycle Mechanics 11-18-15, 10:47 PM
Replies: 12
Views: 490
Posted By Kimmo
If you look at a traditional steel fork with a 1"...

If you look at a traditional steel fork with a 1" steerer and imagine trying to conform to that restraint, you can see building something strong and light isn't easy.

I have a super high-tech...
Forum: Bicycle Mechanics 11-18-15, 10:31 PM
Replies: 5
Views: 402
Posted By Kimmo
Front derailers can sometimes be the hardest part...

Front derailers can sometimes be the hardest part of the bike to tune.

And these days, there are tweaks happening at the upper range that mean you need to look up the documentation (SRAM's Yaw...
Forum: Bicycle Mechanics 09-11-15, 06:41 AM
Replies: 5
Views: 966
Posted By Kimmo
I was gonna say you'll end up with a bad shift...

I was gonna say you'll end up with a bad shift between the mismatched cogs, but the dremel and rotate idea is clever, particularly if it works. But I suspect it won't be totally sweet because each...
Forum: Bicycle Mechanics 09-08-15, 08:58 AM
Replies: 1
Views: 278
Posted By Kimmo
I pulled apart a Suntour derailer last week that...

I pulled apart a Suntour derailer last week that was a real bugger. Different design to this one, but I had a hell of a time with a similar bolt on the lower pivot like that... thought I wouldn't get...
Forum: Bicycle Mechanics 09-08-15, 08:45 AM
Replies: 15
Views: 880
Posted By Kimmo
:eek:

:eek:
Forum: Bicycle Mechanics 09-08-15, 08:37 AM
Replies: 16
Views: 601
Posted By Kimmo
Along with the skinny tyres, you might want to...

Along with the skinny tyres, you might want to cut your bars narrower and lower and/or flip your stem. Is your seat high enough?
Forum: Bicycle Mechanics 09-08-15, 08:28 AM
Replies: 3
Views: 338
Posted By Kimmo
www.youtube.com/watch?v=xhGnuHuD5Fc

www.youtube.com/watch?v=xhGnuHuD5Fc
Forum: Bicycle Mechanics 09-08-15, 08:23 AM
Replies: 7
Views: 583
Posted By Kimmo
Told ya ;)

Told ya ;)
Forum: Bicycle Mechanics 09-08-15, 08:10 AM
Replies: 3
Views: 228
Posted By Kimmo
Measure the chain for wear; if it's due for...

Measure the chain for wear; if it's due for replacement (or near due) you should probably take the opportunity to upgrade from 7s to 8s, if it isn't already.
Forum: Bicycle Mechanics 09-08-15, 07:54 AM
Replies: 19
Views: 791
Posted By Kimmo
Get a cassette washer (the thin steel kind like...

Get a cassette washer (the thin steel kind like you used to find next to the small cog, or a 10s fitting shim) and put it under the fixed cup.

>1mm won't do much to your chainline.
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