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

Scrodzilla 12-26-14 11:21 AM

Your crankset is likely spinning faster than your legs can move. Change your gearing.

Nagrom_ 12-27-14 01:32 AM

More likely your fit.

europa 12-27-14 03:20 AM

Could be either but most likely a crap technique ... which he won't get right until he gets the gearing and the fit sorted. Bit of a circular argument really :roflmao2:

Cyril 12-27-14 08:39 AM


Originally Posted by europa (Post 17418311)
Could be either but most likely a crap technique ... which he won't get right until he gets the gearing and the fit sorted. Bit of a circular argument really :roflmao2:

'cept he's pedaling squares...:)

Scrodzilla 12-27-14 10:28 AM


Originally Posted by Nagrom_ (Post 17418269)
More likely your fit.

Get your own thread. :)

Saddle height being off could contribute to you bouncing around too. The best answer (and the one you're least likely to hear) is experiment a little and figure it out yourself.

the sci guy 12-30-14 08:15 AM

Best way to tension a chain on a SS. I noticed it was sagging a little yesterday, and clanging a bit when I would go over some bigger bumps.

JohnDThompson 12-30-14 08:51 AM


Originally Posted by the sci guy (Post 17425785)
Best way to tension a chain on a SS. I noticed it was sagging a little yesterday, and clanging a bit when I would go over some bigger bumps.

Read on:

Fixed Gear Bicycles for the Road

Berylbite 01-01-15 12:16 PM

Hey man, the internet seems to indicate that you've got all the answers!!



I'm a bikepolo player and I ride on a 56cm 2008 Madison. Great geometry for the sport. (provided that you slap some 165mm cranks to dodge the toeverlap)

Anywho, my frame is busted (crack on junction between headtube and downtube) and I want to replace it with an identical frame.

Do you know where to find geometry specs for the 2008?

Do you know where I could find the same 56cm frame to replace it? (I've looked all over the internet)

I got some clues from this review, but the guy doesn't specify what frame size he was riding http://www.roadbikereview.com/review...n-pro-review/3

I also found the geo for the 2013 madison here, http://pro-bike.ru/product/viewitem/?id=4360
It would lovely if they're the same.

Thanks for your time dude!

Scrodzilla 01-01-15 01:21 PM

I'm pretty sure the numbers on the 2013 Madison were different.

I had a 2008 Maddy and the most similar frame I've ridden in terms of geo is an EAI Bare Knuckle. You may want to take some measurements of your old frame and make compare it to the geo chart.

Berylbite 01-02-15 01:11 PM

Ahh I see. I've already found some differences between the 2013 and 2008, namely the wheelbase which is 968mm for the 08 vs. the 1000mm for the other.

Oddly the wheelbase isn't included in the geo chart for the Bare Knuckle. I'm sure I'll find it somewhere.

I wish there was a quick and simple way to find the specs for a variety of frames.

Thanks again for you insight.

carlomdy 01-02-15 07:04 PM

Scrod, tire question. Have you had any experience with or know anyone who's had experience with the Thickslick Race folding tires? I've had great luck with previous Thickslicks, never flatted in two years, and i was looking to lose some weight with the folding bead.

Trakhak 01-03-15 08:42 AM


Originally Posted by Berylbite (Post 17434951)
Ahh I see. I've already found some differences between the 2013 and 2008, namely the wheelbase which is 968mm for the 08 vs. the 1000mm for the other.

Oddly the wheelbase isn't included in the geo chart for the Bare Knuckle. I'm sure I'll find it somewhere.

I wish there was a quick and simple way to find the specs for a variety of frames.

Thanks again for you insight.

Can't help with the need for a quick and simple way to find the specs, etc.

But if you're looking for an '08 replacement Madison frame, find a Schwinn dealer (the bigger the better, to ensure that the sales rep wants to keep the dealer happy) and ask the dealer to ask Schwinn whether they have any of those frames in stock. Companies such as Schwinn
usually keep a small number of frames in the warehouse for warranty replacement claims, even for bikes for which framesets were never offered, and a big dealer can sometimes get the company to sell one of those frames.

Scrodzilla 01-03-15 10:28 AM

Or simply use a time machine. :rolleyes:

It would be easier to keep an eye on eBay for a used one.

Scrodzilla 01-03-15 10:30 AM


Originally Posted by carlomdy (Post 17435794)
Scrod, tire question. Have you had any experience with or know anyone who's had experience with the Thickslick Race folding tires? I've had great luck with previous Thickslicks, never flatted in two years, and i was looking to lose some weight with the folding bead.

I've never used the folding ones and I'm not a big fan of the steel bead version. They're extremely flat resistant (especially the Urban Elite model) but roll like crap IMO.

GENESTARWIND 01-03-15 08:49 PM

I know I'm not you scrod but I need to share. freedom thick slicks suck. I bought a 23c and a 25c, the 23 wasn't round and unless un mounted and re mounted multiple times it always had a bump and the 25 I ran in the rear developed a bulge with in a couple weeks and I had to toss it.flat resistant yes but no quality control.

T13 01-03-15 09:22 PM

1 Attachment(s)
Hey Scrod, I just ordered the tool for this Octalink BB that's on this Basso. I haven't messed with it yet, but just looking at it, looks chewed up. Any advice on getting it out, without shearing the "teeth" off that or will the tool alone work just fine?

http://bikeforums.net/attachment.php...hmentid=426447

WhatsYoCadence 01-04-15 01:49 AM

What would happen if you put two spider side crank arms on a bike and had two different gear inches running at the same time?

Mumonkan 01-04-15 03:21 AM

https://lh4.googleusercontent.com/-B...oding_Bike.jpg

Scrodzilla 01-04-15 10:38 AM


Originally Posted by WhatsYoCadence (Post 17439551)
What would happen if you put two spider side crank arms on a bike and had two different gear inches running at the same time?

You wouldn't be able to properly tension the chain on both sides.

Scrodzilla 01-04-15 10:41 AM


Originally Posted by T13 (Post 17439133)
Hey Scrod, I just ordered the tool for this Octalink BB that's on this Basso. I haven't messed with it yet, but just looking at it, looks chewed up. Any advice on getting it out, without shearing the "teeth" off that or will the tool alone work just fine?

http://bikeforums.net/attachment.php...hmentid=426447

Depending on how seized the cups are inside the frame iIt may work, it may not. That may be a job for some big Channellock pliers.

T13 01-05-15 06:45 AM


Originally Posted by Scrodzilla (Post 17440159)
Depending on how seized the cups are inside the frame iIt may work, it may not. That may be a job for some big Channellock pliers.


Ok cool. Thank you.

Berylbite 01-07-15 05:40 AM

Hey dude, I found the 2008 Schwinn Madison Geo. Figured I'd share!
[TABLE="width: 1386"]
[TR]
[TD]Geometry[/TD]
[TD]Size [/TD]
[TD]Head Angle[/TD]
[TD]Seat Angle[/TD]
[TD="colspan: 2"]Seat Tube Center to Top[/TD]
[TD="colspan: 2"]Horizontal Top Tube Length[/TD]
[TD="colspan: 2"]Standover Height[/TD]
[TD="colspan: 2"]Chainstay Length[/TD]
[TD="colspan: 2"]Head Tube Length[/TD]
[TD="colspan: 2"]B.B. Height[/TD]
[TD="colspan: 2"]Fork Offset[/TD]
[TD="colspan: 2"]Wheelbase[/TD]
[/TR]
[TR]
[TD] [/TD]
[TD] [/TD]
[TD](HA)[/TD]
[TD](SA)[/TD]
[TD="colspan: 2"](STL)[/TD]
[TD="colspan: 2"](HTT)[/TD]
[TD="colspan: 2"](SO)[/TD]
[TD="colspan: 2"](CSL)[/TD]
[TD="colspan: 2"](HTL)[/TD]
[TD="colspan: 2"](BBH)[/TD]
[TD="colspan: 2"](OF)[/TD]
[TD="colspan: 2"](WB)[/TD]
[/TR]
[TR]
[TD] [/TD]
[TD] [/TD]
[TD] [/TD]
[TD] [/TD]
[TD]inch[/TD]
[TD]mm[/TD]
[TD]inch[/TD]
[TD]mm[/TD]
[TD]inch[/TD]
[TD]mm[/TD]
[TD]inch[/TD]
[TD]mm[/TD]
[TD]inch[/TD]
[TD]mm[/TD]
[TD]inch[/TD]
[TD]mm[/TD]
[TD]inch[/TD]
[TD]mm[/TD]
[TD]inch[/TD]
[TD]mm[/TD]
[/TR]
[TR]
[TD]Madison[/TD]
[TD]XS[/TD]
[TD] 73.0[/TD]
[TD] 76.0[/TD]
[TD="align: right"]19.7[/TD]
[TD="align: right"]500[/TD]
[TD="align: right"]20.8[/TD]
[TD="align: right"]528[/TD]
[TD="align: right"]29.3[/TD]
[TD="align: right"]745[/TD]
[TD="align: right"]16.3[/TD]
[TD="align: right"]415[/TD]
[TD="align: right"]4.3[/TD]
[TD="align: right"]110[/TD]
[TD="align: right"]10.9[/TD]
[TD="align: right"]277[/TD]
[TD="align: right"]2.0[/TD]
[TD="align: right"]50[/TD]
[TD="align: right"]39[/TD]
[TD="align: right"]999[/TD]
[/TR]
[TR]
[TD] [/TD]
[TD]S[/TD]
[TD] 74.0[/TD]
[TD] 75.5[/TD]
[TD="align: right"]20.5[/TD]
[TD="align: right"]520[/TD]
[TD="align: right"]21.3[/TD]
[TD="align: right"]542[/TD]
[TD="align: right"]30.1[/TD]
[TD="align: right"]764[/TD]
[TD="align: right"]16.3[/TD]
[TD="align: right"]415[/TD]
[TD="align: right"]4.9[/TD]
[TD="align: right"]125[/TD]
[TD="align: right"]10.9[/TD]
[TD="align: right"]277[/TD]
[TD="align: right"]2.0[/TD]
[TD="align: right"]50[/TD]
[TD="align: right"]39[/TD]
[TD="align: right"]1000[/TD]
[/TR]
[TR]
[TD] [/TD]
[TD]M[/TD]
[TD] 74.3[/TD]
[TD] 74.5[/TD]
[TD="align: right"]21.3[/TD]
[TD="align: right"]540[/TD]
[TD="align: right"]21.7[/TD]
[TD="align: right"]551[/TD]
[TD="align: right"]30.9[/TD]
[TD="align: right"]785[/TD]
[TD="align: right"]16.3[/TD]
[TD="align: right"]415[/TD]
[TD="align: right"]5.7[/TD]
[TD="align: right"]145[/TD]
[TD="align: right"]11.0[/TD]
[TD="align: right"]280[/TD]
[TD="align: right"]2.0[/TD]
[TD="align: right"]50[/TD]
[TD="align: right"]39[/TD]
[TD="align: right"]999[/TD]
[/TR]
[TR]
[TD] [/TD]
[TD]L[/TD]
[TD] 74.5[/TD]
[TD] 74.0[/TD]
[TD="align: right"]22.0[/TD]
[TD="align: right"]560[/TD]
[TD="align: right"]22.3[/TD]
[TD="align: right"]566[/TD]
[TD="align: right"]31.8[/TD]
[TD="align: right"]807[/TD]
[TD="align: right"]16.3[/TD]
[TD="align: right"]415[/TD]
[TD="align: right"]6.5[/TD]
[TD="align: right"]165[/TD]
[TD="align: right"]11.2[/TD]
[TD="align: right"]285[/TD]
[TD="align: right"]2.0[/TD]
[TD="align: right"]50[/TD]
[TD="align: right"]40[/TD]
[TD="align: right"]1009[/TD]
[/TR]
[TR]
[TD] [/TD]
[TD]XL[/TD]
[TD] 75.0[/TD]
[TD] 74.0[/TD]
[TD="align: right"]22.8[/TD]
[TD="align: right"]580[/TD]
[TD="align: right"]22.6[/TD]
[TD="align: right"]575[/TD]
[TD="align: right"]32.6[/TD]
[TD="align: right"]828[/TD]
[TD="align: right"]16.3[/TD]
[TD="align: right"]415[/TD]
[TD="align: right"]7.3[/TD]
[TD="align: right"]185[/TD]
[TD="align: right"]11.2[/TD]
[TD="align: right"]285[/TD]
[TD="align: right"]2.0[/TD]
[TD="align: right"]50[/TD]
[TD="align: right"]40[/TD]
[TD="align: right"]1013[/TD]
[/TR]
[/TABLE]

50voltphantom 01-09-15 02:24 PM

Is there a torque spec for installing Sugino crank arms?

seau grateau 01-09-15 03:06 PM

Any strong feelings on the quality of Excess freewheels versus Shimano?

Scrodzilla 01-09-15 03:53 PM


Originally Posted by seau grateau (Post 17456322)
Any strong feelings on the quality of Excess freewheels versus Shimano?

They're better.


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