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Old 09-06-08, 12:34 PM
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thirdin77
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Join Date: Jul 2007
Location: San Jose, Ca
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Bikes: 09 Specialized Tricross Sport

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Critique My Build-Up: Soma Smoothie ES

I don't want a road racing or a full touring bike, so I'm piecing together what I want. Please let me know where I'm going wrong:
  • Soma Smoothie ES frame, size 58 or 60 TBD
  • IRD carbon fork, 1-1/8, made for 57mm brakes
  • Ritchey fuzzy logic, 1-1/8 headset
  • Stem: to be determined by frame size; probably 110mm with a 58ETT or 90mm with a 59ETT
  • Ritchey Pro seatpost, 27.2
  • Ritchey Pro Biomax handlebars, 31.8x44cm
  • Ultegra 6510 3x9 shifters
  • Shimano 57mm brake calipers (the Smoothie ES frame & IRD fork call for 57mm-reach brakes)
  • Deore M530 44/32/22 ring crankset; I'll get a 36T middle ring now and 48T/26T rings when I can
  • 105 5500 9-speed triple front derailleur, allows a 22T difference between
  • 12-27 9-speed cassette, make/model TBD
  • Ultegra 6600 rear derailleur, 9/10-speed, 27T max cog, triple-compatible
  • Ultegra/Open Pro wheels or Velocity Deep V wheelset
  • Continental Gatorskin 700x25 tires front & rear

.....
I'm about 6'1", 185lbs. I keep my seat at 79cm height, 8cm setback. I like my bars pretty close to saddle height.

I've got to two bikes which I use as a reference for sizing:
Bike #1: 58cmETT, 74*ST, 73*HT, 195mm head tube with 290mm steerer length from fork crown to top of headset cap with a 17* 110mm stem.
This bike has me fairly spread out, even with the 17* stem.

Bike #2: 58cmETT, 73*ST, 72*HT, 200mm head tube with a 275mm steerer, 8* 110mm stem. This bike fits me pretty well and has a shorter reach than bike #1 which makes it easier to ride for longer periods.

I'm undecided between the Smoothie ES 58 and 60 frames.

The 58 frame has a 58ETT, 73*ST and 73*HT with a 170mm head tube. The IRD fork comes with a 350mm steerer length so I can easily end up with a 290mm steerer length if I want to. Just don't know if I want so much steerer tube exposed.

The 60 frame has a 59ETT, 73*ST and 73*HT and a 190mm head tube. I want the longer head tube but the longer top tube is a cause for concern as I don't want the bars too far out there.

I'm familiar with the French Fit- get larger bike because the handlebars "retreat" towards you. In this case, though, the steerer length can be the same either way; I'm just choosing between an 170 or 190mm head tube length to contain more of it.

Will having a shorter head tube with the same length steerer make the steerer less prone with flexing or breakage?

Please advise..

Last edited by thirdin77; 09-06-08 at 04:12 PM.
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