Box Two Alloy Seat Post Size:26.8mm and slickness

and slickness

and tandem flat-bar bicycles

Featuring single eyelets to help prevent spoke pull-through

Including a Limited Slip Clutch

The Box Three Expert Front Hub is a lightweight version of the Pro sized counterpart

Box Two Alloy Seat Post Size:26.8mm and slicknessPerfect for BMX Racing Warm ups or Cool Downs, this lightweight seat post is made from 2014 aluminum alloy, and a cold forged aluminum alloy head gives the Box Two Seatpost a superb strength to weight ratio. The two bolt head design ensures solid seat positioning and plenty of adjustment. Each post has 20 millimeters of setback and 26 degrees of seat angle adjustment.