Unofficial March Shootout

[sandman]

I only get 3.5" on the seat stays up to just over halfway to the tire...at where the bulgiest part of my tire I'm down to 2.95". Chain stays are 3.25" until just shy of the rim, and then start their curve in.

View attachment 114620

This pic is with the chain off and the wheel pulled all the way back in the drops...max clearance . Distance from knobby to stay in this pic is just under .12"...with the axle all the way back.

My tires are low...and I don't have an air gauge here. Back measured 2.25"…front 2.24". (aired up the front some, now 2.27"). So, for every .1" you add in tire width, you add .05" to the tire cross section radius. Going to a 2.45" (+.2" to my measured 2.25") will eat up .1" of my .12" chain stay clearance, leaving .02"... which isn't much .

It could be that there were changes over the years of the HD...you may have more room than me. Some ideas to maximize tire size would be to lengthen the dropout slots...or, some judicious tube crushing like Carl mentioned...or, more radically, remove the kickstand mount and reshape the chainstays.

Looks like were trying to compare apples to oranges ?

 

[RustyGold]

Yes...that is quite the orange!

I was thinking after my last post, 'maybe mine isn't an HD...maybe it's a supreme (or deliveri?)'.

 

[horsefarmer]

UMSUF2020SOP8.
I wish we could call it something else.

 

[sandman]

UMSUF2020SOP8.
I wish we could call it something else.

I need another cup of coffee before I listen to that again !

 

[RustyGold]

Yes...that is quite the orange!

I was thinking after my last post, 'maybe mine isn't an HD...maybe it's a supreme (or deliveri?)'.

With an American bottom bracket, I think it has to be an HD (maybe Deliveri... can't find much info), all the Supremes have threaded bottom brackets. Just differences across model years I spose.

 

[handyandy1100]

UMSUF2020SOP8.
I wish we could call it something else.

Uh, okay...

Maybe "RRB March Madness?" That video was definitely maddening. LOL

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[horsefarmer]

 

[MattiThundrrr]

Did somebody say Matti? No? It was madness? Madness is my full name! Madness J Thundrrr

 

[us56456712]

3 Days of spring, then 3 days of howling house shacking blizzard. Wah. My dog would only pee on the steps. The main highway (M28) has been closed for two days. Count down for the unofficial build off. Thank you Guitar Carl.

 

[macncheese]

Leap year!? What the heck. C’mon March!

 

[horsefarmer]

 

[sandman]

View attachment 114647

Were gearing up for our own madness in my neck of the woods !

 

[MattiThundrrr]

Ayuh, put on the cycling sox yesterday. Rode the couch. We're stuck under the white stuff again

 

[GuitarlCarl]

Ok. Great day for my computer to finally croak. Went to Best Buy on my way to the guitar shop and got a new Lenovo Chromebook so I promise I'll get the new thread up as soon as I get home from guitar repairs...

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[GuitarlCarl]

The Unofficial March Shootout II
thread is up. Come get some.
Woohoo!

(entries before midnight are prohibited...)
​

Carl.

 

[Pushie Pirate]

Do we post finished bikes here or start a new individual thread,
been away for a bit and a little confused, confused in general
with the current life and times!?

 

[horsefarmer]

Do we post finished bikes here or start a new individual thread,
been away for a bit and a little confused, confused in general
with the current life and times!?

We are all posting here:
https://ratrodbikes.com/forum/index...march-shootout-ii.110571/page-13#post-1129807

 

[Pushie Pirate]

We are all posting here:
https://ratrodbikes.com/forum/index...march-shootout-ii.110571/page-13#post-1129807

Thanks mate.