Old 03-03-21, 09:04 AM
  #3  
DaveSSS 
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Join Date: Sep 2008
Location: Loveland, CO
Posts: 7,227

Bikes: Cinelli superstar disc, two Yoeleo R12

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The two numbers that matter the most are the 542mm stack and the 389mm reach, as far as fit is concerned. That's the poorest drawing I've ever seen. Most brands have a geometry chart with more info. For a race bike, the stack is tall, the reach is long, the seat tube length is very short at 460mm and the chain stays are the longest I've ever seen at 430mm. Chain stay lengths of 405-415 are more common.

Reach can only be compared at the same stack height. If another frame has a shorter stack, add 3mm of reach for each 10mm of stack.

Here's a link to the geometry chart for my frame.

https://www.cinelli-usa.com/supersta...rameset-white/
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