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Columbus Zona down tube - 31.7 dia. - .8/.5/.8 - length = 670

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sku # DT-ZONM12670

Columbus Zona down tube for steel bicycle frames - 31.7 diameter - .8/.5/.8 wall thickness. Length = 670

333g - Weight is based on a representative tube. Actual weight may vary slightly.

Please see tube graphic (in the image gallery for this product) as a guide for the following specs.

OD=31.7  W1=.8  WC=.5  W2=.8  L1=100  T1=40  LC=370  T2=40  L2=120