Material：carbon/3K
Profile：20mm
F/24H+R/28H，Tubular
Weight： 260 ±15g
Product patent number：
ZL 2008 2 0008860.X
ZL 2009 2 0002876.4
ZL 2009 2 0002874.5
ZL 2009 2 0179309.6
ZL 2011 2 0055367.5
ZL 2011 2 0038810.8
ZL 2011 2 0073428.0
M 358068
M 371079
M 412883
