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Bb Rise Of Echo Control 04


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Yes it's BB +20mm.

I ride this frame (excellent frame by the way) and I used to have a 100mm x 5deg stem. I changed it to a 130 x 15deg and it's much better but I wouldn't go as far as a hi-fi stem!

Thanks mate but the hifi stem on tarty comes in different sizes, i was thinking of getting the echo hifi 130 x 15.

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Well, if you've got the frame with you why not measure it?

Just measure the height of the bb from the ground and subtract 330mm from it.

Sorry to say this mate it can't be 330 because my brothers A2 is 55 high and what i got and then did what you said does not give 55.

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It doesn't have to be, I've yet to come across a frame in which the geometry is as it should be. 330mm is the height of the hubs from the ground and bb rise is how much higher the bb is from the hubs. It's pure maths really, my A1 has a 62mm rise and a 18mm longer wheelbase than it should have.

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