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Name: seat post
Color: black, silver
Specification: 27.2mm /31.6mm(diameter) 350mm(length)
Weight: 27.2mm 455g /31.6mm 571g
Material: aluminum alloy
Packing list:1*seat post
Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.