SDG I-Beam Carbon Micro Seatpost 30.9 x 400mm Model-DBAir IL Features a secure inside pocket

Features a secure inside pocket and orange colored lining to make finding items easier

more ergonomic stance

The bounce-free running belt is incredibly lightweight and has a simple Velcro opening/closing for better comfort

No turning the wheel or dodging spokes required

Is for a 49mm chainline on a BB30 short spindle crankset

SDG I-Beam Carbon Micro Seatpost 30.9 x 400mm Model-DBAir IL Features a secure inside pocketCarbon fiber mast with micro clamp aluminum head One bolt adjusts tilt and fore aft saddle position for micro tuning which allows for superior comfort and performance (no offset clamp) Unsurpassed strength to weight ratio Specific to I Beam saddles TECH SPECS model Micro I Beam diameter 30. 9mm length 400mm setback zero material carbon color carbon