ZOOM Bicycle Suspension Seat Post 27.2/28.6/30.0/30.4/30.8/31.6/33.9*350MM MTB Shock Absorber Seatpost MTB/DH/BMX Winter Cycling

Hign-concerned Chemical : noneDiameter : 27.2 - 33.9mmMaterial : Aluminum AlloyOrigin : Mainland Chinafeature1 : seatpost 27.2feature2 : Bicycle tubefeature3 : Saddle pipeSpecifications: 27.2350,31.6350Color: black [27.2 original tube], black red [27.2 original tube], black [31.6 original tube], black red [31.6 original tube](There are two colors of inner tube: silver and black, you can refer to the pictures in the product specification selection)27.2=27.2 original tube28.6=27.2 original tube + 28.6 adapter tube30.0=27.2 original tube + 30.0 adapter tube30.1=27.2 original tube + 30.0 adapter tube(Universal with 30.0)30.4=27.2 original tube + 30.4 adapter tube30.8=27.2 original tube + 30.8 adapter tube30.9=27.2 original tube + 30.8 adapter tube(Universal with 30.8)31.6=31.6 original tube33.9=27.2 original tube + 33.9 adapter tubeProcess: matte anode, no film markWeight (approx.): 27.2mm 498g/ 1.1lbs, 31.6mm 508g/ 1.2lbsExcellent Quality:  Full aluminum 6061 body ensure the lightweight,The inner shock absorber is adopted, the outer tube material is made of high-strength aviation material, and the screw under the seat tube can adjust the stroke rebound speed slightlyPackage list:mountain bike bicycle suspension seat tube *1