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Old 01-05-12, 01:54 AM   #1
derek.fulmer
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MASH frames: a different ride feel?

For those of you who own/ride the Cinelli MASH frames with the forward sloping top tube, does it pitch you forward/downward at all? Is your riding position much more aggressive?
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Old 01-05-12, 02:46 AM   #2
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as someone who rides bolt geo: nah, it's not very aggressive. the histogram is a bit more though I believe

semi derail: mash bullhorn owners -- is it worth it? they've finally restocked and it's time to replace the dedas
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Old 01-05-12, 10:05 AM   #3
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The sloping does not make anything aggressive at all. Its the headtube and seat tube angles that makes it aggressive. The mash will feel like anyother mid range track bike out there.
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Old 01-05-12, 11:10 AM   #4
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The sloping does not make anything aggressive at all. Its the headtube and seat tube angles that makes it aggressive. The mash will feel like anyother mid range track bike out there.
QFT. The bike could even have an upward sloping top tube and it wouldn't change anything. The biggest factors in the aggressiveness of geometry are HT and ST angles and wheelbase.
I guess the only real difference is that with a downward sloping top tube you can have a shorter head tube and thus get more saddle to bar drop.
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Old 01-05-12, 11:24 AM   #5
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I guess the only real difference is that with a downward sloping top tube you can have a shorter head tube and thus get more saddle to bar drop.
Not really. It just means you don't need as much seatpost.
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Old 01-05-12, 11:55 AM   #6
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Saddle to bar drop is a factor of how high your seat is and how far your bars are down. You can get any drop you want just move your seat or bars.
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Old 01-05-12, 01:00 PM   #7
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Saddle to bar drop is a factor of how high your seat is and how far your bars are down. You can get any drop you want just move your seat or bars.
Proper seat height is a constant. The only thing that can vary is bar height. Same principle applies to reach. As to the Mash, the forward sloping top tube is just a style thing that has no real advantage or disadvantage.
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Old 01-05-12, 05:43 PM   #8
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QFT. The bike could even have an upward sloping top tube and it wouldn't change anything. The biggest factors in the aggressiveness of geometry are HT and ST angles and wheelbase.
I guess the only real difference is that with a downward sloping top tube you can have a shorter head tube and thus get more saddle to bar drop.
TT's right, saddle height is constant. Epic's also right - you can get more drop because the headtube is shorter.


for me i notice the aluminum frame material more than the geometry.
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Old 01-05-12, 05:56 PM   #9
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huge headtube:
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Old 01-05-12, 06:04 PM   #10
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Push your saddle all the way forward on a zero setback post and tilt your saddle and bars down. Then maybe you'll feel pitched forward.
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Old 01-05-12, 08:46 PM   #11
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huge headtube:
Which is a reminder that there are several factors which contribute to saddle to bar drop. Obviously riding a frame that is smaller vs. bigger will give you drop.

I once heard that lo pro frames give a little more stiffness because they make the larger triangle more triangular.
It's likely, like many of those little things, not going to make a difference, true or false.
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Old 01-05-12, 08:51 PM   #12
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I once heard that lo pro frames give a little more stiffness because they make the larger triangle more triangular.
Technobabble.
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Old 01-05-12, 08:59 PM   #13
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See the statement after that statement.
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Old 01-06-12, 05:14 AM   #14
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Which is a reminder that there are several factors which contribute to saddle to bar drop. Obviously riding a frame that is smaller vs. bigger will give you drop.

I once heard that lo pro frames give a little more stiffness because they make the larger triangle more triangular.
It's likely, like many of those little things, not going to make a difference, true or false.
I don't think it makes any difference

Edit: I do like more drop though
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Old 01-06-12, 03:04 PM   #15
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Well, if you ride a frame that is a tad bit smaller, you'll have the same seatpost height but with a shorter headtube. So in effect you can have more potential drop.

This is Andrew LaCorte's Kissena. He is a bit over 6 foot but his frame is based on a medium sized Kissena. Note the use of a rise stem to match his fit and the giant seatmast. Just imagined if he slammed that stem and made it level!
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Old 01-06-12, 03:15 PM   #16
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Well, if you ride a frame that is a tad bit smaller, you'll have the same seatpost height but with a shorter headtube. So in effect you can have more potential drop.

This is Andrew LaCorte's Kissena. He is a bit over 6 foot but his frame is based on a medium sized Kissena. Note the use of a rise stem to match his fit and the giant seatmast. Just imagined if he slammed that stem and made it level!
LaCorte is about 6'3". I know he's taller than me. He has long legs and rides with a compact (as opposed to stretched) arm position, hence the relatively short TT.


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Old 01-06-12, 03:50 PM   #17
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Well, if you ride a frame that is a tad bit smaller, you'll have the same seatpost height but with a shorter headtube. So in effect you can have more potential drop.

This is Andrew LaCorte's Kissena. He is a bit over 6 foot but his frame is based on a medium sized Kissena. Note the use of a rise stem to match his fit and the giant seatmast. Just imagined if he slammed that stem and made it level!
Sorry I should have been clearer, I don't think the triangle stiffness statement made any difference. I wasn't contesting the smaller bike comment. You do end up with a shorter TT like Carleton points out.
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Old 01-06-12, 05:50 PM   #18
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Ohh okay. Yeah, I'm inclined to agree (see the statement after the original statement).
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