Columbus Zona ext. butted seat tube for dropper post - 32.7 OD (31.7 ID) - .7/.5/.9 - length = 635
$37.55
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sku # ST-ZON113635001 Columbus Tubing Zona externally butted seat tube - 32.7 dia. - .7/.5/.9 wall thickness - length = 635 - steel With a 31.7 ID, this tube will work with most 31.6 dropper posts. 299g - Weight is based on a representative tube. Actual weight may vary slightly. Please see tube graphic in image gallery for dimensions.
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$33.25
(+$3)
$37.55
(+$4.30)