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-   -   Ask Scrod (https://www.bikeforums.net/singlespeed-fixed-gear/769181-ask-scrod.html)

IthaDan 02-20-13 08:55 PM


Originally Posted by Pinkbullet3 (Post 15298056)
Scrod, what's the longest you've gone without checking into the forums?


E: photoshop's a pain in the balls with a trackpad:
http://i.imgur.com/JXl4XQ2.jpg

jpsawyer 02-21-13 01:14 PM

I am buying a threaded fork for a project and have a question. The fork I want comes in 160mm steerer with 65mm of threads, the rest are all definitely too big or too small. My head tube is 122 mm and the headset I plan to use is the Tange Levin headset which I believe has a stack height of 34 mm. The numbers come out to seem like the fork will fit, but it seems to be cutting it close. You think it will be good?

Scrodzilla 02-21-13 03:12 PM

Yeah. You'll either need to shave a few mm off or use a small spacer in the headset.

Mumonkan 02-21-13 08:35 PM

do you know of another type of cog that fits on a sturmey archer s3x hub besides the proprietary ones?

i want a 19t 3/32 and the SA 3/32 ones only come in 12 or 13t

JohnDThompson 02-21-13 09:20 PM


Originally Posted by Mumonkan (Post 15302160)
do you know of another type of cog that fits on a sturmey archer s3x hub besides the proprietary ones?

i want a 19t 3/32 and the SA 3/32 ones only come in 12 or 13t

Surly makes splined cogs that fit on the S3X hub. AFAIK, there is a 19T, 3/32" version available. Otherwise, the S3X driver is threaded for a standard track cog. If you have a 19T, 3/32" threaded cog you can use that if you put one of the splined SA spacers between the cog and the lockring.

eBay also has an abundance of inexpensive, splined 3/32" cogs:

http://www.ebay.com/sch/i.html?_odkw...at=0&_from=R40

SSbalt 02-21-13 09:39 PM

Scrod is it ever okay for your saddle and bars to not match?

**EDIT** double dip - what's your take on saddles that have "anotomic relief" (aka those taint valleys)

Scrodzilla 02-21-13 09:58 PM


Originally Posted by JohnDThompson (Post 15302368)
Surly makes splined cogs that. it on the S3X hub. AFAIK, there is a 19T, 3/32" version available. Otherwise, the S3X driver is threaded for a standard track cog. If you have a 19T, 3/32" threaded cog you can use that if you put one of the splined SA spacers between the cog and the lockring.

eBay also has an abundance of inexpensive, splined 3/32" cogs:

http://www.ebay.com/sch/i.html?_odkw...at=0&_from=R40

I've got a bunch of e-mail to answer regarding tracking info, wheel builds and special orders. I'll forward it to you in the morning.

Gloomy 02-22-13 01:20 AM

Scrod, why you don't answer the Retrogression thread?

Scrodzilla 02-22-13 08:12 AM


Originally Posted by Gloomy (Post 15302940)
Scrod, why you don't answer the Retrogression thread?

Because I don't spend every waking moment on this ****ing forum.

Not everything in the world needs to be instant and you should try having some patience.

Scrodzilla 02-22-13 08:19 AM


Originally Posted by SSbalt (Post 15302464)
Scrod is it ever okay for your saddle and bars to not match?

**EDIT** double dip - what's your take on saddles that have "anotomic relief" (aka those taint valleys)

Yes.

Some of them work, some of them don't. YMMV

nightfly 02-22-13 12:57 PM

Scrod,

Have a Redline 925 with stock Vero cranks with 110 bb (I think). Could I swap out with some Andels and their bb and keep the same chainline?

Scrodzilla 02-22-13 01:03 PM

Yes.

As long as you use the spindle length recommended for any crankset you buy, your chainline will be the same (or really damn close).

JohnDThompson 02-22-13 03:15 PM


Originally Posted by Scrodzilla (Post 15303425)
Because I don't spend every waking moment of this ****ing forum.

Good lord, man. What are we paying you for, anyway? :lol:

newsballs 02-22-13 03:55 PM

If I were after a 1" threadless / 25.4mm clamp stem what would you recommend?

Scrodzilla 02-22-13 03:57 PM

I'd recommend buying a 1 1/8" stem and using a shim.

calv 02-22-13 07:36 PM

Hey Scrod, is the only difference between the Deda RMH01 or RMH02 the top of the bars? the 02 is flat and the 01 is round like traditional bars?

Scrodzilla 02-22-13 07:46 PM


Originally Posted by calv (Post 15306142)
Hey Scrod, is the only difference between the Deda RMH01 or RMH02 the top of the bars? the 02 is flat and the 01 is round like traditional bars?

You got it.

calv 02-24-13 05:58 PM

Can you recommend me tires that'll blow Conti Ultra Sports out of the water in terms of... Everything? Should I just spend the $100+ on Hardshells?

Scrodzilla 02-24-13 09:46 PM

Ultrasports are bunk. Hardshells are very durable but offer a pretty unforgiving ride. I have a pretty good idea of how I'll answer but what are you looking for specifically?

Dannihilator 02-24-13 09:51 PM

Please check the retrogression thread in the market place.

Scrodzilla 02-24-13 09:56 PM

Thanks Dan.

Dannihilator 02-24-13 10:01 PM

No prob.

lmariach 02-24-13 10:30 PM

My bad, didn't know about that thread.

Scrodzilla 02-24-13 10:33 PM

It's mentioned in the very first post of this thread.

calv 02-25-13 12:21 AM


Originally Posted by Scrodzilla (Post 15312976)
Ultrasports are bunk. Hardshells are very durable but offer a pretty unforgiving ride. I have a pretty good idea of how I'll answer but what are you looking for specifically?

Something with RiBMo (so far my favorite tire, 0 flats for 2 year old tires) level protection but rolls faster. Comfort can be a factor, but not necessary.

boom 02-25-13 08:33 AM


Originally Posted by blondieyo (Post 15286164)
Hey Scrod, quick question about my chain line. It's 5mm off being straight (the chain lies straight between the cog and the dropout, not between the cog and the spokes), is that really bad? I've got a pake rum runner with novatec track hubs and omniums. There's not a lot of room between the chainring/spider and frame. Halp?

Not scrod, but did you make sure you installed a spacer (probably 2.5mm) on the non-drive side between your GXP cup and your BB shell?

Scrodzilla 02-25-13 09:07 AM


Originally Posted by boom (Post 15314151)
Not scrod, but did you make sure you installed a spacer (probably 2.5mm) on the non-drive side between your GXP cup and your BB shell?

First of all, you're right. You're not me. If you could refrain from answeing quesions in my thread - especially ones I've already addressed - that would be great.

Secondly, you're not supposed to use spacers on the GXP BB that comes with Omniums because it will prevent the non-drive side arm from bottoming out on the spindle, as it was designed to do when properly installed. I don't know why people insist on telling everyone to use spacers.

boom 02-25-13 10:33 AM


Originally Posted by Scrodzilla (Post 15314240)
Secondly, you're not supposed to use spacers on the GXP BB that comes with Omniums because it will prevent the non-drive side arm from bottoming out on the spindle, as it was designed to do when properly installed. I don't know why people insist on telling everyone to use spacers.

The chainline is not even close without a spacer on the NDS, at least in my case. I have a 68mm bottom bracket shell and I've used two different GXP bottom brackets with the same result.

If I am spreading misinformation I am sorry. but this is the setup that works for me. I am not the official SRAM messenger.

EDIT: FWIW I am using the 2012 Omniums.

Another edit: Also, I acknowledge at this point that the reason this thread exists is so that people can get your opinion (and yours alone) on their issues. This issue doesn't seem to be cut and dry so I thought I would chime in. I'm done now, so carry on. Once spring starts and I get a reason to tear everything down and clean it out, I'll try again without spacers and see what it looks like.

Scrodzilla 02-25-13 11:30 AM

It doesn't matter what year your Omniums are. You're not supposed to use spacers because the included BB was designed for use on a 68mm shell and the spindle attached to the drive side arm's length reflects that. Unless you have a way of magically lengthening the spindle to compensate for the 2.5mm spacer, you can't properly install the non-drive side arm when using a spacer on either side.

Also, would you mind telling me how putting a spacer on the NDS would possibly have any effect on chainline? Here in the dimension where I live, it wouldn't.

FixedDriveJess 02-25-13 11:39 AM

What chain would you recommend most for street use?


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