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Search: Posts Made By: jmartinez
Showing results 1 to 50 of 75
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Forum: Singlespeed & Fixed Gear
10-07-10, 11:57 AM
Replies: 31
Views: 1,596
Posted By jmartinez

When it comes to cool weather gloves, don't...

When it comes to cool weather gloves, don't underestimate the importance having the soft absorbent patch on the back of the thumb. Bike gloves generally have this feature and so do many xc ski...
Forum: Road Cycling
10-04-10, 11:24 AM
Replies: 25
Views: 1,144
Posted By jmartinez

For winter biking in the boston area I either use...

For winter biking in the boston area I either use a fixed gear with slick 23s (clear roads) or a single speed mountain bike with knobby/mud shedding tires (fresh snow). With all the sand and salt...
Forum: Singlespeed & Fixed Gear
09-01-10, 02:55 PM
Replies: 8
Views: 883
Posted By jmartinez

This is not correct. Increasing the the offset...

This is not correct. Increasing the the offset will decrease trail and have the opposite effect.

http://davesbikeblog.blogspot.com/2007/05/trail-fork-rake-and-little-bit-of.html
...
Forum: Singlespeed & Fixed Gear
09-01-10, 09:26 AM
Replies: 26
Views: 1,784
Posted By jmartinez

I'm going to jump in and add the opinion of...

I'm going to jump in and add the opinion of another engineer. Some of your questions your questions relate to specifications and some are design questions.

My advice is to first buy the...
Forum: Singlespeed & Fixed Gear
07-28-10, 01:08 PM
Replies: 82
Views: 7,874
Posted By jmartinez

If it doesn't have to be as waterproof as a...

If it doesn't have to be as waterproof as a messenger pack you could get a Kifaru G1 Express. American made/under $200. https://kifaru.net/MGexpress.htm. Think of it as a mil spec version of a...
Forum: Singlespeed & Fixed Gear
06-30-10, 11:39 AM
Replies: 7
Views: 538
Posted By jmartinez

Link to bb info...

Link to bb info http://www.miche.it/en/catalogo/catalogo-miche/movimenti/movimento-centrale-primato-2
Forum: Road Cycling
06-29-10, 08:44 AM
Replies: 58
Views: 4,691
Posted By jmartinez

Since I didn't see it in this thread, you should...

Since I didn't see it in this thread, you should make sure to reserve some money in your budget for a new saddle and bibs. Your body position is likely to be different than on a hybrid and it is a...
Forum: Singlespeed & Fixed Gear
06-28-10, 07:31 AM
Replies: 15
Views: 1,766
Posted By jmartinez

What kind of shoes are you using? When I had...

What kind of shoes are you using? When I had aliums (using XE and XS now) the hard rubber treads on the sides of my mtb shoes would rub against the platform section of the pedal and make a good bit...
Forum: Singlespeed & Fixed Gear
05-19-10, 08:09 AM
Replies: 23
Views: 975
Posted By jmartinez

Folding gatorskins can be found at pbk for less...

Folding gatorskins can be found at pbk for less than $30 with free shipping to the US. Also get another 10% off with USA10 coupon code. The downside is I've heard reports of orders taking a long...
Forum: Road Cycling
01-15-10, 01:02 PM
Replies: 32
Views: 1,847
Posted By jmartinez

If everyone ate like this we would never have...

If everyone ate like this we would never have threads about drafting strangers.
Forum: Singlespeed & Fixed Gear
12-04-09, 12:14 PM
Replies: 24
Views: 959
Posted By jmartinez

I've never owned any Mavic shoes but you could...

I've never owned any Mavic shoes but you could try these http://www.mavic.com/mtb/products/cruize.320433.9.aspx
Forum: Singlespeed & Fixed Gear
10-22-09, 09:33 AM
Replies: 57
Views: 3,257
Posted By jmartinez

With regards to overall security, I would never...

With regards to overall security, I would never use this as my primary lock. I look at it and can imagine a thief defeating it in way to many ways. With that said, there are plenty of locks/cables...
Forum: Singlespeed & Fixed Gear
10-08-09, 09:20 AM
Replies: 10
Views: 2,446
Posted By jmartinez

For other options try IRD...

For other options try IRD (http://www.interlocracing.com/forks.html#steelforks) or search ebay for a disc cyclocross fork from an older model Redline Conquest.
Forum: Singlespeed & Fixed Gear
09-30-09, 07:14 AM
Replies: 7
Views: 1,156
Posted By jmartinez

You could go custom at that price range. IRD...

You could go custom at that price range.

IRD Cadence aero rim
American Classic track hubs
Sapin CX ray spokes

It should come out to be almost a pound lighter than the Mavic ellipse wheel set....
Forum: Singlespeed & Fixed Gear
09-23-09, 07:46 AM
Replies: 9
Views: 7,405
Posted By jmartinez

If you're asking about winter riding, the salt...

If you're asking about winter riding, the salt and sand on the roads are your main worries. I usually plan on going through a couple of $10 kmc chains if I commute during the winter. Keep some rags...
Forum: Singlespeed & Fixed Gear
09-22-09, 03:21 PM
Replies: 28
Views: 3,327
Posted By jmartinez

Scroll to the bottom of the link...

Scroll to the bottom of the link http://www2.bsn.com/cycling/WheelAerodynamics.html for some (vendor supplied) drag comparisons. I haven't found any other sources comparing a rev x with a aerospoke,...
Forum: Singlespeed & Fixed Gear
09-03-09, 02:57 PM
Replies: 5
Views: 7,485
Posted By jmartinez

Surly 120mm hubs are designed for a 42mm...

Surly 120mm hubs are designed for a 42mm chainline (see if it looks like the one shown here: http://sheldonbrown.com/harris/fixed-hubs.html). According to the Harris Cyclery page, the hub has enough...
Forum: Singlespeed & Fixed Gear
08-26-09, 11:35 AM
Replies: 64
Views: 7,243
Posted By jmartinez

More fuel for the fire...

More fuel for the fire http://www.art-for-a-change.com/Obey/index.htm
Forum: Singlespeed & Fixed Gear
08-25-09, 11:10 AM
Replies: 10
Views: 1,108
Posted By jmartinez

I'm about that height, also with short legs. I...

I'm about that height, also with short legs. I found that the critical dimension is not the seat tube since many frames in the smaller sizes have sloping top tubes. The horizontal top tube...
Forum: Singlespeed & Fixed Gear
07-13-09, 01:15 PM
Replies: 2
Views: 416
Posted By jmartinez

The chainline will depend on whether it is a road...

The chainline will depend on whether it is a road or mtb crank arm and also whether you are using the bottom bracket spindle it was designed for.

Sheldon has a handy chart that may be of use to...
Forum: Singlespeed & Fixed Gear
07-08-09, 07:50 AM
Replies: 5
Views: 544
Posted By jmartinez

Has the bottom bracket shell been faced? If the...

Has the bottom bracket shell been faced?
If the lock ring and frame aren't meeting up properly, it may be difficult to get and keep the adjustment you want.
Forum: Singlespeed & Fixed Gear
05-22-09, 01:39 PM
Replies: 37
Views: 5,265
Posted By jmartinez

Using the aerosol Aircraft paint stripper you...

Using the aerosol Aircraft paint stripper you will find at the local autoparts store on carbon fiber is a bad idea. Go to http://www.kleanstrip.com/ and look at the removers section. The aircraft...
Forum: Singlespeed & Fixed Gear
05-21-09, 09:47 AM
Replies: 9
Views: 1,462
Posted By jmartinez

A thread on adapter on a flipflop hub may be what...

A thread on adapter on a flipflop hub may be what you're looking for.

try http://www.choppersus.com/store/product/308/Disc-Brake-Rotor-Converter/

or something similar.
Forum: Singlespeed & Fixed Gear
05-06-09, 01:08 PM
Replies: 26
Views: 1,586
Posted By jmartinez

If you haven't already upgraded your tires from...

If you haven't already upgraded your tires from the ones that came with the bike, I'd recommend doing that first. Try out some better/lighter tires. It will give you a better idea of what lighter...
Forum: Singlespeed & Fixed Gear
05-05-09, 12:12 PM
Replies: 11
Views: 920
Posted By jmartinez

I'm gonna have to call BS on this one. I don't...

I'm gonna have to call BS on this one. I don't know of any torque wrench attachment for lockrings or a lockring tool with a torque reading. Not greasing fine threads with a steel on aluminum...
Forum: Singlespeed & Fixed Gear
03-30-09, 07:26 AM
Replies: 20
Views: 923
Posted By jmartinez

If you're using red loctite (loctite 271) you may...

If you're using red loctite (loctite 271) you may want to consider the type of grease you're using. Loctite 271 has an operating range of -65 F to 300 F. Many greases shouldn't be used between 300...
Forum: Singlespeed & Fixed Gear
02-26-09, 03:25 PM
Replies: 6
Views: 1,462
Posted By jmartinez

http://prowheelbuilder.com/ The colored...

http://prowheelbuilder.com/

The colored spokes are straight gauge only, but if your building up a deep V you're not going to end up with a lightweight wheel regardless of which spokes you use.
Forum: Singlespeed & Fixed Gear
02-26-09, 08:50 AM
Replies: 75
Views: 6,263
Posted By jmartinez

pedal id needs another chain type for tall bikes

pedal id needs another chain type for tall bikes
Forum: Bicycle Mechanics
01-28-09, 08:27 AM
Replies: 2
Views: 387
Posted By jmartinez

Exploded view: ...

Exploded view:
http://www.timesport.fr/fiche-produit-atac-xs-carbon.2.0.idp.107.html

The end caps on the pedals are not just dust caps. They help keep the pedal centered. Try reassembling and...
Forum: Bicycle Mechanics
01-27-09, 08:56 AM
Replies: 26
Views: 13,913
Posted By jmartinez

For some general info and a variety to choose...

For some general info and a variety to choose from try www.mcmaster.com

Link: http://www.mcmaster.com/#grease/=cb4kd

I'm currently using Dow Corning Molykote G-0010 Multipurpose Synthetic...
Forum: Bicycle Mechanics
01-13-09, 08:57 AM
Replies: 7
Views: 665
Posted By jmartinez

Enduro sells bearing kits and tools to press them...

Enduro sells bearing kits and tools to press them in:

http://www.enduroforkseals.com/id228.html
Forum: Singlespeed & Fixed Gear
01-08-09, 09:04 AM
Replies: 16
Views: 841
Posted By jmartinez

For mountain bike use: ...

For mountain bike use:

http://www.profileracing.com/ (http://www.profileracing.com/profileracing/estore2/index.php5?productid=43)

Azonic also used to make a set of tubular steel cranks for mtb...
Forum: Singlespeed & Fixed Gear
12-24-08, 10:15 AM
Replies: 27
Views: 8,162
Posted By jmartinez

Dimension track axle:...

Dimension track axle: http://aebike.com/page.cfm?PageID=30&action=details&sku=HU1126

Don't know if the bearing seats are the same dimensions as the formula hub, but it might be worth a shot.
Forum: Singlespeed & Fixed Gear
12-12-08, 08:52 AM
Replies: 19
Views: 1,345
Posted By jmartinez

I'm guessing you're flexing your frame at the...

I'm guessing you're flexing your frame at the bottom bracket. If you have a trainer or can get access to one, put your bike on it, crank up the resistance and look at your bottom bracket while...
Forum: Singlespeed & Fixed Gear
12-09-08, 12:13 PM
Replies: 13
Views: 737
Posted By jmartinez

You should avoid moving axle spacers and...

You should avoid moving axle spacers and re-dishing a flip-flop hub since the other side will be out of alignment then. Look for other ways you can move the chainline. Can you move the chainring to...
Forum: Singlespeed & Fixed Gear
11-25-08, 02:09 PM
Replies: 7
Views: 552
Posted By jmartinez

I have a rear nashbar hub I picked up a year or...

I have a rear nashbar hub I picked up a year or two ago. With coupon it came out to be about $25. I built it up with a velocity aerohead and replaced the lockring with a dura ace lockring before...
Forum: Singlespeed & Fixed Gear
11-24-08, 10:01 AM
Replies: 21
Views: 2,265
Posted By jmartinez

It sounds like you're expecting her to do two...

It sounds like you're expecting her to do two things at once: gain confidence on the bike, and become comfortable riding in traffic. You need to separate them. Take her out to an empty parking...
Forum: Singlespeed & Fixed Gear
11-05-08, 12:28 PM
Replies: 16
Views: 727
Posted By jmartinez

You could also have a rear wheel built up on a...

You could also have a rear wheel built up on a White Industries Eno hub. That would let you choose from a wider range of frames. I have a short (28") inseam and finding bikes that fit with...
Forum: Singlespeed & Fixed Gear
11-02-08, 09:51 AM
Replies: 30
Views: 2,015
Posted By jmartinez

more thoughts - I think it's a great idea and I'm...

more thoughts - I think it's a great idea and I'm think it's great to support local business. The problem will be finding a way to compete with the low price points of frames made overseas where...
Forum: Singlespeed & Fixed Gear
10-29-08, 07:42 AM
Replies: 1
Views: 479
Posted By jmartinez

here are some useful resources if you haven't...

here are some useful resources if you haven't already bookmarked them:

http://sheldonbrown.com/articles.html
http://parktool.com/repair/

Also, many of the questions you've asked have been...
Forum: Singlespeed & Fixed Gear
10-23-08, 01:35 PM
Replies: 20
Views: 1,196
Posted By jmartinez

you're welcome (I knew that would get taken out...

you're welcome (I knew that would get taken out of context). The worst part was when a friend asked me what I was working on that I needed the sandpaper, finishing grade steel wool, and rubber...
Forum: Singlespeed & Fixed Gear
10-23-08, 12:52 PM
Replies: 20
Views: 1,196
Posted By jmartinez

Also, don't forget to take off your rings if you...

Also, don't forget to take off your rings if you wear any. Aluminum is a soft metal and polished aluminum will show scratches from being handled while wearing rings.

I know that this will be...
Forum: Singlespeed & Fixed Gear
10-23-08, 12:04 PM
Replies: 57
Views: 5,102
Posted By jmartinez

Thanks!

Thanks!
Forum: Singlespeed & Fixed Gear
10-23-08, 11:47 AM
Replies: 57
Views: 5,102
Posted By jmartinez

Has anyone tried the IRD Cadence Aero...

Has anyone tried the IRD Cadence Aero (http://www.interlocracing.com/rims.html)? I might consider these over deep Vs, but I have no idea what the quality is like. Both have 30mm sections, but the...
Forum: Singlespeed & Fixed Gear
10-23-08, 10:58 AM
Replies: 12
Views: 1,605
Posted By jmartinez

You could glue it back together with an urethane...

You could glue it back together with an urethane adhesive. Go to www.mcmaster.com and plug 7493A21 into the search bar. This is the item number for a semi flexible urethane adhesive with high peel...
Forum: Singlespeed & Fixed Gear
10-22-08, 07:25 AM
Replies: 19
Views: 4,642
Posted By jmartinez

I have a variety of time pedals, older model...

I have a variety of time pedals, older model aliums, XE and XS. I bought the XE first, followed by a used pair aliums for my city bike, then finally got a pair of barely used XS through a friend. ...
Forum: Singlespeed & Fixed Gear
10-20-08, 12:53 PM
Replies: 2
Views: 747
Posted By jmartinez

Continental GP 4000s come in 25c, but not in all...

Continental GP 4000s come in 25c, but not in all colors.
Forum: Singlespeed & Fixed Gear
10-20-08, 08:33 AM
Replies: 88
Views: 5,146
Posted By jmartinez

+1 I've learned my lesson a few times over. ...

+1

I've learned my lesson a few times over. Now I assume that if I'm buying a new bike I should budget $100-$200 for pedals, a saddle, and possibly new handlebars. I prefer clipless, so I'm...
Forum: Singlespeed & Fixed Gear
10-08-08, 11:54 AM
Replies: 57
Views: 49,083
Posted By jmartinez

Here's a link to a PDF from reynolds with...

Here's a link to a PDF from reynolds with strength to weight and stiffness to weight ratios:

www.reynoldstechnology.biz/downloads/materialcompweb.pdf...
Forum: Singlespeed & Fixed Gear
10-07-08, 03:36 PM
Replies: 7
Views: 2,174
Posted By jmartinez

AC Racing 15 tooth - $25 ...

AC Racing 15 tooth - $25

http://sheldonbrown.com/harris/singlespeed.html#freewheels
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