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KHS Flite 100//Mercier Kilo TT - Stack and Reach for the 57 and 60??

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KHS Flite 100//Mercier Kilo TT - Stack and Reach for the 57 and 60??

Old 05-15-15, 08:49 AM
  #1  
EsqDavidK
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KHS Flite 100//Mercier Kilo TT - Stack and Reach for the 57 and 60??

KHS Flite 100//Mercier Kilo TT - Stack and Reach for the 57 and 60??

Believe me I have searched - Looking to build up another track bike out of existing parts and I cannot find Stack and/or Reach measurements for the Kilo Flite 100//KHS in 57 and 60cm. Anyone out there care to provide the Stack and Reach measurements for a 57 and/or 60 or at least know where I might them?

Thanks.
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Old 05-15-15, 09:08 AM
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Sorry, I don't know, and I seriously doubt anyone else here will know either. I've never needed this information when choosing frame sizes, and am curious as to why you feel it is necessary.
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Old 05-15-15, 09:26 AM
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Stack and Reach (along with TT Length) are the primary metrics I use to figure out how I might fit on a bike. I picked up this habit while riding and thinking about Timetrial/triathlon bikes. A bike's Reach takes the effect of the seat angle on TT length out of the equation.

Currently we have a very old Gitane (60X58), Cannondale Caad5 (63x60) and a converted triathlon Cervelo P3 (58X59) in use as track and/or roller bike. The Gitane has some old school extreme characteristics that make it less than fun for me to race - 95cm wheelbase with 58cm front center - so I am considering building up a fun Cat 4/5 race bike for the summer.
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Old 05-15-15, 09:34 AM
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These measurements are readily calculable from the regular geometry chart since it has a horizontal top tube.

The 57 has a stack height of 548mm and a reach of 418mm.
The 60 has a stack height of 577mm and a reach of 441mm.
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Old 05-15-15, 09:37 AM
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Very cool. Thank you.
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Old 05-15-15, 09:44 AM
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I think you can use geometry to compute Reach and Stack if you know the top tube and seat tube lengths, and the seat tube angle. This is assuming a horizontal TT and that the TT and ST lengths are c-c.

Edit: prooftheory beat me to it.
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Old 05-16-15, 07:40 AM
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Originally Posted by prooftheory
These measurements are readily calculable from the regular geometry chart since it has a horizontal top tube.

The 57 has a stack height of 548mm and a reach of 418mm.
The 60 has a stack height of 577mm and a reach of 441mm.
I couldn't resist checking your numbers, and you are spot on. Anyway, fwiw for the rest of you nerds, here's the formulas:

Stack = ST x SIN(STA)

Reach = TT - ST x COS(STA)

Where:

ST = seat tube length (c-c)

TT = horizontal top tube length

STA = seat tube angle
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Old 05-17-15, 07:43 AM
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Q
Originally Posted by TejanoTrackie
I couldn't resist checking your numbers, and you are spot on. Anyway, fwiw for the rest of you nerds, here's the formulas:

Stack = ST x SIN(STA)

Reach = TT - ST x COS(STA)

Where:

ST = seat tube length (c-c)

TT = horizontal top tube length

STA = seat tube angle
I feel like I have been given a fish and taught how to fish. Thanks.
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Old 02-16-23, 05:34 AM
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Also looking for Kilo TT reach and Stack

I have a Mercier kilo TT size 50. I have been looking for the reach and stack numbers for a year And finally found it useful thread. Thank you for the formula! Iím looking to get a new frame since the reach on the TT is too long.
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