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PostPosted: Mon Apr 09, 2012 12:54 pm 
retrobike rider
retrobike rider
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Joined: Sun Dec 18, 2011 10:42 pm
Posts: 2189
Location: milton keynes
saying that you may be onto something, this is from specialized web site. the red numbers are for the 54 and 56 cm geometry so the 3rd and 4th sets of numbers on each line should give the correct geometry for each size. center to center top tube length is 56cm according to my tape but its interesting that a 54 cm isnt listed where according to this chart a 54 cm frame should have a 510mm seat tube and a 548 top tube but mine is 540 seat tube and 560 top tube suggesting a somewhere between a 54 and a 56?. anyone got any more to add because im confused.com
the link to the geometry page is at the bottom

Size 49 52 54 56 58 61

Seat-Tube Length, B-B Center to Top 460mm 490mm 510mm 530mm 550mm 580mm

Top-Tube Length, Horizontal 518mm 537mm 548mm 565mm 582mm 600mm

B-B Drop 71.5mm 71.5mm 69mm 69mm 67.5mm 67.5mm

Chain-Stay Length 405mm 405mm 405mm 405mm 407mm 410mm

Seat-Tube Angle 75.5° 74° 73.5° 73.25° 73° 72.5°

Head-Tube Angle 72.25° 73° 73° 73.5° 73.5° 74°

Fork Rake 45mm 45mm 45mm 43mm 43mm 43mm

Trail 62mm 57mm 57mm 56mm 56mm 53mm

Front-Center 576mm 576mm 583mm 591mm 605mm 613mm

Wheelbase 970mm 970mm 978mm 986mm 1003mm 1013mm

Stand-Over Height 737mm 777mm 798mm 816mm 836mm 863mm

Head-Tube Length 100mm 120mm 145mm 170mm 205mm 230mm

Stack 505mm 527mm 548mm 575mm 607mm 632mm

Reach 385mm 385mm 385mm 392mm 397mm 402mm

Handle-Bar Width 400mm 420mm 420mm 420mm 440mm 440mm

Stem Length 80mm 90mm 100mm 100mm 110mm 110mm

Crank Length 170mm 170mm 170mm 175mm 175mm 175mm

Seat-Post Length 300mm 300mm 350mm 350mm 350mm 350mm

http://www.specialized.com/gb/gb/bc/SBCProduct.jsp?spid=62276&scid=1101&scname=Road


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 Post subject:
PostPosted: Sun Apr 22, 2012 11:16 am 
Dirt Disciple

Joined: Tue Jan 24, 2012 4:06 pm
Posts: 63
Location: Bath
funds are back! am looking for a 54cm top tube measurement. Tried a 56cm and didnt like the feel of it...


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 Post subject: 54 cm road bike
PostPosted: Sun Apr 22, 2012 2:11 pm 
Devout Dirtbag

Joined: Sat Apr 24, 2010 10:21 pm
Posts: 133
May be this one? Hopmans, small Dutch quality brand.
The sizes 55 cm c-t seattube, toptube 54 cm c-c .
Columbus Aelle tubing
Mix of Shimano parts like 105 and Dura Ace
Excellent condition
Image


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 Post subject:
PostPosted: Sun Apr 22, 2012 8:52 pm 
Dirt Disciple

Joined: Tue Jan 24, 2012 4:06 pm
Posts: 63
Location: Bath
looks pleasant, but dont really like the color scheme unfortunately!


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 Post subject:
PostPosted: Tue Apr 24, 2012 5:51 pm 
Dirt Disciple

Joined: Tue Jan 24, 2012 4:06 pm
Posts: 63
Location: Bath
sorted out a bike! trek oclv pilot 5.2 :)


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