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Agreed. ESTA is mostly useless for all bikes that dont have a straight seat tube that directly intersects the BB junction. ASTA is going to tell you how 'slack' your seat tube is, not ESTA.
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May 18, 2018, 10:20 a.m. - Shoreboy
Agreed. ESTA is mostly useless for all bikes that dont have a straight seat tube that directly intersects the BB junction. ASTA is going to tell you how 'slack' your seat tube is, not ESTA.