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Search: Posts Made By: cpach
Forum: Bicycle Mechanics 05-24-16, 12:22 AM
Replies: 5
Views: 318
Posted By cpach
If your frame is out of alignment, the best...

If your frame is out of alignment, the best solution would be to align the frame appropriately. If you can access the appropriate frame alignment tools (say, at a cooperative) I'd recommend that,...
Forum: Bicycle Mechanics 05-23-16, 10:02 PM
Replies: 29
Views: 630
Posted By cpach
Hey Milo, great score! The frame is easily worth...

Hey Milo, great score! The frame is easily worth the price of the bike you bought, and that front wheel is indeed resalable. Older Trek 520s command a reasonable price as well designed, American...
Forum: Bicycle Mechanics 05-23-16, 03:55 PM
Replies: 8
Views: 309
Posted By cpach
Welcome back to cycling! I'd be unsurprised...

Welcome back to cycling!

I'd be unsurprised if the 32s ran OK at the max pressure for you. The most significant risk is pinch flats--if you start getting them, then yeah, wider tires. You're...
Forum: Bicycle Mechanics 04-28-16, 02:18 PM
Replies: 7
Views: 3,121
Posted By cpach
As mentioned above, old 9sp Campagnolo and newer...

As mentioned above, old 9sp Campagnolo and newer 9sp+ Campagnolo have slightly different cable pull ratios. If I were you, I'd be tempted to just get modern 10 or 11sp Campy shifters and a rear...
Forum: Bicycle Mechanics 04-14-16, 01:10 PM
Replies: 18
Views: 440
Posted By cpach
The specs you posted are wrong--congrats, you...

The specs you posted are wrong--congrats, you have a much nicer bike! Carbon frame and Ultegra components.

Carbon fiber frames are not well designed to resist clamping forces or localized forces...
Forum: Bicycle Mechanics 04-14-16, 03:36 AM
Replies: 48
Views: 1,554
Posted By cpach
This is not particularly why touring places...

This is not particularly why touring places higher demands on wheels. The main reason is that gear on the bike is an unsprung load--bringing a 25 lb bike to perhaps 75 lbs, causing stress at the...
Forum: Bicycle Mechanics 04-14-16, 03:09 AM
Replies: 3
Views: 305
Posted By cpach
Since your rear spacing is 135mm you can run any...

Since your rear spacing is 135mm you can run any current MTB drivetrain if you want (up to and including 12 speed). If your shifters are friction I'd consider going to 8 or 9 speed--really just...
Forum: Bicycle Mechanics 04-14-16, 02:46 AM
Replies: 12
Views: 438
Posted By cpach
There are two categories to think about: ...

There are two categories to think about:

First, I'd consider whether you'd really prefer the Sequoia as a flat bar bike. Typical geometry is often different for bikes intended for flat bars vs...
Forum: Bicycle Mechanics 04-13-16, 01:11 PM
Replies: 17
Views: 586
Posted By cpach
Definitely eliminate the cable housing as a...

Definitely eliminate the cable housing as a potential problem first. Think about it--that's where any contamination is going to stay, not on the cable. Wouldn't ever bother replacing a cable and not...
Forum: Bicycle Mechanics 04-13-16, 01:02 PM
Replies: 1
Views: 191
Posted By cpach
Do you mean 1.5" wide? If so that's probably...

Do you mean 1.5" wide? If so that's probably fine. If you mean 28mm then it's probably not ideal. Skinnier tires will provide less pneumatic suspension which can cause higher loading at the rim and a...
Forum: Bicycle Mechanics 12-21-15, 11:41 AM
Replies: 26
Views: 1,122
Posted By cpach
I'm agreeing that this is definitely a comment...

I'm agreeing that this is definitely a comment about your near exclusive use of your rear brake from your mechanic. The best reason to start using you front brake has been given--it results in the...
Forum: Bicycle Mechanics 12-18-15, 09:09 PM
Replies: 32
Views: 1,074
Posted By cpach
I respectfully disagree. While I think it's...

I respectfully disagree. While I think it's questionable if a older frame has components on it, if you have access to a bare frame (or one with nonfunctional components) modern parts make as much...
Forum: Bicycle Mechanics 12-06-15, 11:45 AM
Replies: 8
Views: 499
Posted By cpach
You don't provide a lot of information--or...

You don't provide a lot of information--or pictures. What do you mean by reverse-styled? Low normal? You say you adjusted the screws and cable tension--do you confidently know what you're doing here,...
Forum: Bicycle Mechanics 12-03-15, 08:59 PM
Replies: 23
Views: 812
Posted By cpach
The cost they quoted you sounds like a more...

The cost they quoted you sounds like a more complete tune up than just adjusting your front derailleur. Shops generally charge approximately a dollar a minute. Retail space is expensive--shops have a...
Forum: Bicycle Mechanics 11-08-15, 01:36 PM
Replies: 20
Views: 1,227
Posted By cpach
68mm BSA is still the most common bottom bracket...

68mm BSA is still the most common bottom bracket on new bikes, and every groupset (including the highest end) have threaded options. You might see the terms hollowtech, which is Shimano's external...
Forum: Bicycle Mechanics 11-05-15, 07:07 PM
Replies: 30
Views: 966
Posted By cpach
That's true. Forks for caliper brakes don't vary...

That's true. Forks for caliper brakes don't vary a huge amount in ATC unless they are designed for different brake reaches or wheel sizes because the brake hole needs to be in a narrow range. The...
Forum: Bicycle Mechanics 11-05-15, 05:36 PM
Replies: 30
Views: 966
Posted By cpach
This is bull. 73 degree hta and 43mm rake is the...

This is bull. 73 degree hta and 43mm rake is the normalest possible road steering geometry, as well as identical to the stock fork. Your bike is not chopper like at all--it has pretty ordinary road...
Forum: Bicycle Mechanics 11-05-15, 02:17 PM
Replies: 30
Views: 966
Posted By cpach
Sounds like the mechanic at that shop has an...

Sounds like the mechanic at that shop has an incomplete understanding--probably just knows that there's a variation of rake for forks and head tube angle for frames, but doesn't know enough to know...
Forum: Bicycle Mechanics 11-02-15, 02:40 AM
Replies: 22
Views: 1,007
Posted By cpach
To be honest, it doesn't seem like you've...

To be honest, it doesn't seem like you've actually confirmed you really need lower gearing. I'd go and try riding the stuff you've got planned, and adjust as necessary. Swapping out a cassette and RD...
Forum: Bicycle Mechanics 09-24-15, 10:22 PM
Replies: 10
Views: 398
Posted By cpach
That should all work. 10sp Shimano road stuff...

That should all work. 10sp Shimano road stuff will all work together. 10sp mountain and 11sp stuff generally not. Actually except for early dura ace all index capable shimano rear derailleurs before...
Forum: Bicycle Mechanics 09-23-15, 10:32 PM
Replies: 14
Views: 413
Posted By cpach
Reasonable point about the stress. The point...

Reasonable point about the stress. The point about the parallelism of the dropouts and the position of the rear derailleur stand. Really only the second is a deal, and can be addressed by aligning...
Forum: Bicycle Mechanics 09-23-15, 10:28 PM
Replies: 3
Views: 314
Posted By cpach
I'm sorry that your shop was bad at communicating...

I'm sorry that your shop was bad at communicating with you. Why'd you upgrade the crank? Also why did you change the BB? The old one should have worked, unless it was worn. And yeah, the Ultegra BB...
Forum: Bicycle Mechanics 09-23-15, 04:57 PM
Replies: 14
Views: 413
Posted By cpach
I agree that your bike looks like a good deal....

I agree that your bike looks like a good deal. It's a cool bike. Some good options:

Buy these: http://www.amazon.com/Panaracer-Pasela-Tire-Wire-Gumwall/dp/B000Y1BHRA . They're probably pretty good...
Forum: Bicycle Mechanics 09-21-15, 09:32 AM
Replies: 4
Views: 370
Posted By cpach
Spec is correct--RS11s have 36 spokes total. I...

Spec is correct--RS11s have 36 spokes total. I actually have had good luck with RS10s, the 10sp version, including some cyclocross use, and I'm not light at 170-200lbs. I'd give the wheels a try and...
Forum: Bicycle Mechanics 09-17-15, 03:39 PM
Replies: 19
Views: 561
Posted By cpach
It's really unlikely to be an incompatibility...

It's really unlikely to be an incompatibility with the freewheel. If you managed to really mess up adjusting the hub adjustment you could have introduced some lateral play (aka wobble) into the hub...
Showing results 1 to 25 of 323

 
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