ZOOM Adjustable Height MTB Seatpost 27.2/30.9/31.6mm Hydraul Seat Post Internal External Cable Bicycle Hydraul Seat Post

Brand: ZOOMModel: 801/802Material: 7075 aluminum alloyTravel: Model 801 travels 100mm; Model 802 travels 80mmSuitable for: Road Bike, MTB, DH, FR, AM, XC801 Internal Routing Dropper SeatpostInternal wiring 30.9mm is about 653 grams; 31.6mm is about 679 gramsOuter wiring 30.9mm is about 628 grams; 31.6mm is about 650 gramsLine tube length: about 1700mm802 Internal Routing Dropper SeatpostWeight: about 570gThe length of the wire tube is about 1530mmRemarks: Regarding the size of the 802 lift seat tube, the original tube size is 27.2mm, and other sizes need to be used with the conversion sleeve.27.2=27.2 original tube28.6=27.2 original pipe + 28.6 take over30.0=27.2 original pipe + 30.0 take over30.4=27.2 original pipe + 30.4 take over30.8=27.2 original pipe + 30.8 take over31.6=27.2 original pipe + 31.6 take over33.9=27.2 original pipe + 33.9 take over801 Size802 SizeRemarks: Regarding the size of the 802 lift seat tube, the original tube size is 27.2mm, and other sizes need to be used with the conversion sleeve.