[RBW] Re: Sam Frame Spacing

2016-12-19 Thread Phil
Another original Sam owner here. Something you might consider if you have a 
frame builder nearby is to have your frame put on a jig and have the rear 
alignment checked/adjusted. That's the beauty of a steel frame.

Phil, running 42s and fenders

On Monday, December 19, 2016 at 3:42:13 PM UTC-7, Timothy Hurley wrote:
>
> It's a 58. I was bummed I missed the double top tube.

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[RBW] Re: Sam Frame Spacing

2016-12-19 Thread Timothy Hurley
It's a 58. I was bummed I missed the double top tube.

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[RBW] Re: Sam Frame Spacing

2016-12-19 Thread Belopsky
yep looks like mine-what size is yours?

On Monday, December 19, 2016 at 3:39:28 PM UTC-5, Timothy Hurley wrote:
>
> Belopsky, 
>I think it's from '09, but I'm not sure. Whenever they first sold them, 
> I pre ordered one. Here's a (crappy) pic: 
>
> n Monday, December 19, 2016 at 12:22:43 PM UTC-5, Belopsky wrote: 
> > It's real easy to check dish..I made a tool out of cardboard and a small 
> ruler. 
> > 
> > 
> > have you tried loosening/re-centering? 
> > 
> > 
> > PS: I also have a green Sam w cantis and people ask me what year that is 
> - what is 'first year' and a photo? Thanks!! 
> > 
> > On Monday, December 19, 2016 at 11:52:08 AM UTC-5, Timothy Hurley 
> wrote:Hi all, 
> > 
> > I have a 1st year Sam (canti brakes, green paint) and I recently 
> noticed that the rear wheel isn't centered between the chain stays (down by 
> the kickstand plate). The tire (38mm Marathon) is almost touching the right 
> chain stay. Everything is centered between the seat stays up by the brake 
> bridge. I can't figure out why this is. Could the wheel be dished in a 
> weird way? Have I bent my frame over years of overbiking? Any suggestions 
> or ideas would be appreciated. Thank you! 
>
>

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[RBW] Re: Sam Frame Spacing

2016-12-19 Thread Timothy Hurley
Bill, thank you for taking the time to give such detailed advice. What you said 
makes sense. I measured everything, flipped the wheel and measured again. 
Everything was the same both times. So I've established the wheel (it's true) 
is dished corrrctly and thus not the problem.

The wheel was correctly seated in the dropouts both times. Everything was 
centered at the seat stays both times. And both times the wheel was almost 
touching the right chain stay yet had plenty of room on the left side.

The only thing I can figure is that there's an issue with the frame. Everything 
looks straight and I've never crashed it anyhow. This bike has searved me very 
well over the years and rides great so it's really only a problem if I wanted 
to put 40mm or up tires on it. I was happy with 35's until I discovered this 
group last year! Haha

Thank you again for helping me obsess about my bike.

-T.J.

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[RBW] Re: Sam Frame Spacing

2016-12-19 Thread Bill Lindsay
Timothy

Step 0: your rear wheel is true 
Step 1: with the bike on the ground, open the QR so you are sure the frame 
is fully dropped down on the vertical dropouts.  Close the QR
Step 2: measure clearances at all four points:  both sides at the 
chainstays and both sides at the seatstays, write those down
Step 3: remove the rear wheel and put it back in backwards, making super 
sure that the wheel is fully in the dropouts again.  close the QR
Step 4: make the same four measurements

If you don't have a good way to do measurements, fine, eyeball it.  

IF your wheel is exactly centered relative to the seatstays both times, 
then the wheel is dished correctly.  IF the wheel is centered exactly 
relative to the seatstays both times and is offcenter towards the right 
chainstay both times, then your rear end has an imperfection of some kind.  

IF your wheel position changed both at the chainstays and at the seatstays 
when you flipped it around, then your wheel is not perfectly dished. 
 Consider taking care of that and repeating.  The amount it moved is double 
the amount your wheel is out of dish.  For example, if your wheel is 2mm 
out of dish, it'll "move" 4mm when you flip it.  

IF your wheel changed in position at the chainstays but not at the 
seatstays, or vice versa then you are not being careful enough when you are 
getting the wheel seated in the dropouts.  Repeat until you are getting 
consistent results.  

Let me know if you need help walking through this.  

Bill Lindsay
El Cerrito, CA

On Monday, December 19, 2016 at 8:52:08 AM UTC-8, Timothy Hurley wrote:
>
> Hi all, 
> I have a 1st year Sam (canti brakes, green paint) and I recently 
> noticed that the rear wheel isn't centered between the chain stays (down by 
> the kickstand plate). The tire (38mm Marathon) is almost touching the right 
> chain stay. Everything is centered between the seat stays up by the brake 
> bridge. I can't figure out why this is. Could the wheel be dished in a 
> weird way? Have I bent my frame over years of overbiking? Any suggestions 
> or ideas would be appreciated. Thank you!

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[RBW] Re: Sam Frame Spacing

2016-12-19 Thread Belopsky
It's real easy to check dish..I made a tool out of cardboard and a small 
ruler.

have you tried loosening/re-centering?

PS: I also have a green Sam w cantis and people ask me what year that is - 
what is 'first year' and a photo? Thanks!!

On Monday, December 19, 2016 at 11:52:08 AM UTC-5, Timothy Hurley wrote:
>
> Hi all, 
> I have a 1st year Sam (canti brakes, green paint) and I recently 
> noticed that the rear wheel isn't centered between the chain stays (down by 
> the kickstand plate). The tire (38mm Marathon) is almost touching the right 
> chain stay. Everything is centered between the seat stays up by the brake 
> bridge. I can't figure out why this is. Could the wheel be dished in a 
> weird way? Have I bent my frame over years of overbiking? Any suggestions 
> or ideas would be appreciated. Thank you!

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