Factor Replacement Ostro VAM 2.0 Seatpost Dirt Works STEM Giant Contact XS:70mm

STEM Giant Contact XS:70mm

Rim Internal Width: 21

A classic AEROREADY running cap made in part with recycled materials

Designed specifically for triathlon-specific saddles with vertical rear rails

Thru Axle Impact test with wheelset (UCI Standard)

Factor Replacement Ostro VAM 2.0 Seatpost Dirt Works STEM Giant Contact XS:70mmMaking use of updated parameters in the UCI design rules, the OSTRO VAM Seatpost has a super slender 15 mm profile, after extensive virtual and wind tunnel testing. The optimized shape works with the rest of the frame to deal efficiently with the chaotic airflow coming off the riders pedaling legs. Relocating the Shimano Di2 battery housing from the seatpost to the seat tube made it possible to make the seatpost so slim. It also means that it is no