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Search: Posts Made By: Purp
Showing results 1 to 50 of 97
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Forum: Bicycle Mechanics
04-12-13, 10:22 PM
Replies: 6
Views: 5,053
Posted By Purp

So as long as there's enough material to keep the...

So as long as there's enough material to keep the sealed bearings in place, it's probably fine? Thanks for the info.
Forum: Bicycle Mechanics
04-12-13, 09:54 PM
Replies: 6
Views: 5,053
Posted By Purp

So, it's kind of a sealed set of parts? No actual...

So, it's kind of a sealed set of parts? No actual loose bearings in grease coming in contact with the carbon lip pictured here, correct?
Forum: Bicycle Mechanics
04-12-13, 09:21 PM
Replies: 6
Views: 5,053
Posted By Purp

Is this part of my carbon fiber headtube/integrated headset broken? (new to carbon)

This (http://i.imgur.com/qS9fdz6.jpg) is a view inside the bottom of the headtube. Notice the raised lip on the inside is kind of incomplete; it varies in thickness and has a rough edge.

Is there...
Forum: Bicycle Mechanics
03-23-12, 01:00 PM
Replies: 16
Views: 7,738
Posted By Purp

I see, the Shiftmate...

I see, the Shiftmate (http://jtekengineering.com/shiftmate_straight.htm). ~$40 though :(
Forum: Bicycle Mechanics
03-23-12, 11:13 AM
Replies: 16
Views: 7,738
Posted By Purp

Where's the fun in that?! Thanks,...

Where's the fun in that?!



Thanks, sounds cheaper than getting a new derailleur, but where do I mount the Travel Agent? Coming out of the cable stop on the derailleur?
Forum: Bicycle Mechanics
03-23-12, 09:52 AM
Replies: 11
Views: 2,636
Posted By Purp

Get a front fender that mounts on the underside...

Get a front fender that mounts on the underside of the downtube (http://www.amazon.com/SKS-X-Board-Downtube-Mounted-Bicycle/dp/B000X65O9S) instead of the front fork.
Forum: Bicycle Mechanics
03-23-12, 09:13 AM
Replies: 16
Views: 7,738
Posted By Purp

That's the problem. I was just wondering if there...

That's the problem. I was just wondering if there was some way to open them up and modify them for "unofficial" friction shifters.
Forum: Bicycle Mechanics
03-23-12, 08:51 AM
Replies: 16
Views: 7,738
Posted By Purp

Running 9 speeds in the back (SRAM 11-28 Cassette...

Running 9 speeds in the back (SRAM 11-28 Cassette with a SRAM X7 derailleur)
Forum: Bicycle Mechanics
03-23-12, 08:39 AM
Replies: 16
Views: 7,738
Posted By Purp

Can SRAM Bar-end Shifters Be Converted from Indexed to Friction?

I want to use a set of SRAM TT500 bar-end shifters with an incompatible rear derailleur and cassette.

The rear shifter is indexed only, is there some tinkering I can do on my own to convert it to...
Forum: Bicycle Mechanics
05-02-11, 06:50 AM
Replies: 12
Views: 2,903
Posted By Purp

I tried the "jam a screwdriver in to hold the...

I tried the "jam a screwdriver in to hold the adjusting cone" method, gave up and took them to the LBS. They told me they couldn't adjust them, adding "whatever you do, don't open them up" :(
Forum: Bicycle Mechanics
04-25-11, 07:41 PM
Replies: 5
Views: 755
Posted By Purp

So you need a really thin wrench for the locknut...

So you need a really thin wrench for the locknut on in front of the fork? Something like these perhaps:
...
Forum: Bicycle Mechanics
04-25-11, 07:36 PM
Replies: 20
Views: 2,741
Posted By Purp

Assuming you don't own a sandblaster, try...

Assuming you don't own a sandblaster, try Aircraft stripper/remover.
Forum: Bicycle Mechanics
04-25-11, 04:20 PM
Replies: 2
Views: 472
Posted By Purp

http://www.parktool.com/blog/repair-help/chain-len...

http://www.parktool.com/blog/repair-help/chain-length-sizing
Forum: Bicycle Mechanics
04-25-11, 04:09 PM
Replies: 12
Views: 2,903
Posted By Purp

Specs: So it sounds like it would work...

Specs:


So it sounds like it would work (my wellgos are 8mm/11mm), but I can't find anywhere to buy one though, save for here (http://www.chainreactioncycles.com/Models.aspx?ModelID=5730), and...
Forum: Bicycle Mechanics
04-25-11, 02:53 PM
Replies: 12
Views: 2,903
Posted By Purp

Thanks for the replies. I saw...

Thanks for the replies.



I saw something similar for SPD pedals:

http://i.imgur.com/QqctH.jpg

http://i.imgur.com/QqctH.jpg
Forum: Bicycle Mechanics
04-25-11, 01:10 PM
Replies: 12
Views: 2,903
Posted By Purp

Overhauling and Adjusting Pedals Without a Tabbed Washer: How?!

So I got some cheap cage Wellgos that were really tight out of the box, so naturally I cracked them open to overhaul and adjust them (like I would any new pedals).

Problem is, there's nothing to...
Forum: Bicycle Mechanics
04-25-11, 01:01 PM
Replies: 16
Views: 8,335
Posted By Purp

I have the same one. It gets the job done, but...

I have the same one. It gets the job done, but feels a little cheap. When it needs replacing I'll spend the extra ~$30 to get the Park TS 2.0.
Forum: Bicycle Mechanics
04-25-11, 08:08 AM
Replies: 3
Views: 2,802
Posted By Purp

Perfect, just the info I needed, thanks all.

Perfect, just the info I needed, thanks all.
Forum: Bicycle Mechanics
04-24-11, 11:06 AM
Replies: 8
Views: 668
Posted By Purp

Do you want to replace them with clipless pedals?...

Do you want to replace them with clipless pedals?

Caged pedals from Wellgo, DK, and even Nashbar usually are around the $20 mark (like these...
Forum: Bicycle Mechanics
04-24-11, 10:28 AM
Replies: 3
Views: 2,802
Posted By Purp

130mm hub in Dropouts Spaced to 135mm: no Bending or Respacing, Recipe for Disaster?

Hey BF,

I have a frame with 135mm spacing in the rear, and I wanted to use my existing wheel, which has a 130mm-wide hub. I'm trying to avoid cold-setting/respacing if possible.

One option is...
Forum: Bicycle Mechanics
04-23-11, 09:56 PM
Replies: 21
Views: 16,409
Posted By Purp

Fork is brand new, seems straight. ...

Fork is brand new, seems straight.



Cool, I think I'll get one. Pic (for potential future googlers):

http://i.imgur.com/ggOSN.jpg
http://i.imgur.com/ggOSN.jpg
Forum: Bicycle Mechanics
04-23-11, 02:24 PM
Replies: 6
Views: 783
Posted By Purp

Is there a lot of surface rust? Is there rust...

Is there a lot of surface rust? Is there rust inside the frame? Any cracks?

The bend in the seatstay is probably harmless, assuming it doesn't effect wheel alignment. It's steel, so you could bend...
Forum: Bicycle Mechanics
04-23-11, 11:08 AM
Replies: 16
Views: 776
Posted By Purp

The Park Tool site has all the info you need....

The Park Tool site has all the info you need. Shifters and derailleurs usually don't require any special tools, bottom brackets sometimes can. Get a good cable cutter, don't just use wire clippers or...
Forum: Bicycle Mechanics
04-23-11, 10:45 AM
Replies: 25
Views: 1,379
Posted By Purp

Sounds like the 17 for you. Have you used this? ...

Sounds like the 17 for you. Have you used this?

http://www.ebicycles.com/bicycle-tools/frame-sizer/mountain-bike
Forum: Bicycle Mechanics
04-23-11, 10:42 AM
Replies: 11
Views: 10,864
Posted By Purp

Check the surfaces of the cups and cones, if they...

Check the surfaces of the cups and cones, if they are severely pitted (not smooth) they may be beyond overhauling/repair, and need to be replaced. New square-taper BBs are dirt cheap.
Forum: Bicycle Mechanics
04-23-11, 10:20 AM
Replies: 41
Views: 12,435
Posted By Purp

Just put an outboard bearing BB and a new headset...

Just put an outboard bearing BB and a new headset on my new Surly LHT, no facing at all. I've experienced no problems so far. My 2 cents.
Forum: Bicycle Mechanics
04-23-11, 09:57 AM
Replies: 21
Views: 16,409
Posted By Purp

I just checked and rechecked. Everything seems...

I just checked and rechecked. Everything seems seated properly.



I've managed to get the gap on my setup down to about this size. So it is ok to have a gap? The only way it seems physically...
Forum: Bicycle Mechanics
04-22-11, 09:06 PM
Replies: 21
Views: 16,409
Posted By Purp

Yeah, they are all part of a set.

Yeah, they are all part of a set.
Forum: Bicycle Mechanics
04-22-11, 06:06 PM
Replies: 21
Views: 16,409
Posted By Purp

I can't :(

I can't :(
Forum: Bicycle Mechanics
04-22-11, 05:06 PM
Replies: 16
Views: 12,796
Posted By Purp

You've got a lot of options. This post is pretty...

You've got a lot of options. This post is pretty comprehensive:

http://recklesscognition.wordpress.com/2009/01/13/methods-for-attaching-water-bottle-cages-without-screws-and-bosses/
Forum: Bicycle Mechanics
04-22-11, 04:05 PM
Replies: 2
Views: 719
Posted By Purp

Generally, superficial damage in steel frames is...

Generally, superficial damage in steel frames is negligible. Steel is not brittle like aluminum or carbon. My guess is it's safe, if there are no visible cracks or places where it got pinched so much...
Forum: Bicycle Mechanics
04-22-11, 04:01 PM
Replies: 21
Views: 16,409
Posted By Purp

Thanks. My gap looks noticeably larger :(

Thanks. My gap looks noticeably larger :(
Forum: Bicycle Mechanics
04-22-11, 04:01 PM
Replies: 21
Views: 16,409
Posted By Purp

Are you referring the the silver split ring, or...

Are you referring the the silver split ring, or the black top cap? The black top cap has a slight protrusion underneath it:

http://i.imgur.com/oGHjw.jpg

http://i.imgur.com/oGHjw.jpg

(I...
Forum: Bicycle Mechanics
04-22-11, 01:50 PM
Replies: 21
Views: 16,409
Posted By Purp

Thanks for your reply. This was my...

Thanks for your reply.



This was my instinct too. Is anything obviously wrong in either of these photos?

With the upper cup and centering ring raised up:

http://i.imgur.com/GmZH7.jpg...
Forum: Bicycle Mechanics
04-22-11, 01:00 PM
Replies: 21
Views: 16,409
Posted By Purp

Threadless headset: Gap between top frame race and adjusting race? (FSA Orbit MX)

Hey BF,

I've got a gap between the frame race and adjusting race in my threadless headset, it's big enough to drive a truck through: here's a pic (http://i.imgur.com/HuojV.jpg).

Is this normal?...
Forum: Bicycle Mechanics
02-21-11, 04:41 PM
Replies: 18
Views: 21,767
Posted By Purp

Thanks for all the replies Alloy,...

Thanks for all the replies



Alloy, carbon stays



Hmm yeah maybe this is silly, I want to put my 10lb lock and a day or two's worth of groceries (including beer) on the back.
Forum: Bicycle Mechanics
02-19-11, 06:19 PM
Replies: 18
Views: 21,767
Posted By Purp

Putting a Rear Rack on a Road Bike

Hi Bikeforums,

Short of buying a tour bike, how can I put a rear rack on my road bike? I don't have threaded eyelets near the dropouts, there are holes but they are smooth inside and sort of...
Forum: Bicycle Mechanics
02-19-11, 06:10 PM
Replies: 8
Views: 3,156
Posted By Purp

There are a few on Instructables

There are a few on Instructables
Forum: Bicycle Mechanics
02-15-11, 11:38 AM
Replies: 3
Views: 5,328
Posted By Purp

Bicycle Frame-Wrapping Tape

I'm looking for a good tape I can wrap around my frame, anyone who's seen the delivery bikes in NYC will know what I'm talking about, a thin (about 1" wide) vinyl tape that is wrapped around every...
Forum: Road Cycling
09-27-10, 06:57 PM
Replies: 52
Views: 2,840
Posted By Purp

If you have an Android phone, the "My Tracks" +...

If you have an Android phone, the "My Tracks" + "Maps" apps do everything a Garmin does, for free.
Forum: Road Cycling
09-27-10, 10:09 AM
Replies: 8
Views: 962
Posted By Purp

Luckily, Park Tool makes it easy: ...

Luckily, Park Tool makes it easy:

http://imgur.com/2le1h.jpg

You're welcome!
Forum: Road Cycling
09-27-10, 10:07 AM
Replies: 93
Views: 8,774
Posted By Purp

"Nashbar Red Floor Pump" ...

"Nashbar Red Floor Pump" (http://www.nashbar.com/bikes/Product_10053_10052_127052_-1_201492_10000_200407)

Great cost-to-quality ratio (currently $30), metal base, sturdy handle. The PSI gauge is...
Forum: Road Cycling
09-23-10, 10:15 AM
Replies: 14
Views: 1,521
Posted By Purp

Right, these were my suspicions. Thanks for all...

Right, these were my suspicions. Thanks for all the help everyone, even if for a silly problem. Still, perhaps someone else will make the same mistake.

I ordered a 9-speed SRAM Apex with a 34t...
Forum: Road Cycling
09-23-10, 08:33 AM
Replies: 14
Views: 1,521
Posted By Purp

Yeah, the screw in question is certainly not an...

Yeah, the screw in question is certainly not an l/h adjustment screw.



Well, anyone in the market for a gently used Nuovo Record derailleur?
Forum: Road Cycling
09-23-10, 08:25 AM
Replies: 14
Views: 1,521
Posted By Purp

Awesome, thanks. That looks really similar to my...

Awesome, thanks. That looks really similar to my model. If you look at that photo you can see there's a very small screw below and to the left of a larger bolt on the derailleur.

...
Forum: Road Cycling
09-23-10, 08:21 AM
Replies: 14
Views: 1,521
Posted By Purp

Yeah, I figured. I built this bike out of the...

Yeah, I figured. I built this bike out of the parts box so I was just seeing what I could get away with.




What spec do I look for when buying? Are most modern derailleurs able to accept such...
Forum: Road Cycling
09-23-10, 08:12 AM
Replies: 27
Views: 1,177
Posted By Purp

post authored by that guy from Gattaca

post authored by that guy from Gattaca
Forum: Road Cycling
09-23-10, 08:11 AM
Replies: 22
Views: 1,012
Posted By Purp

Do it

Do it
Forum: Road Cycling
09-23-10, 08:02 AM
Replies: 14
Views: 1,521
Posted By Purp

Rear derailleur cage striking larger sprockets in cassette. What am I doing wrong?

I'm running a rear SRAM cassette with a huge outer-most sprocket (32 teeth). I currently have it set up with a Campy Nuovo Record rear derailleur from the 70s. When attempting to shift into the...
Forum: Road Cycling
04-12-10, 04:13 PM
Replies: 18
Views: 1,060
Posted By Purp

If it's not under warranty, get the rim replaced.

If it's not under warranty, get the rim replaced.
Showing results 1 to 50 of 97
 
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