Extralite bar clamps kit for Ultrastem

Gemini Alsak zero offset straight seatpost among the lightest and most performing on the market, and also among the most beautiful thanks to its innovative design! Made using monocoque technology with the precious Aerospace grade Mitsubishi MR70 carbon fiber, it is designed to provide comfort, stiffness, safety and reliability! Forged carbon fiber hardware and grade 5 titanium bolts. Available in 27.2 - 30.9 - 31.6 mm diameter and 250-300-350-400 mm length. Produced both in the Ultralight version (from 73.5 gr. in 27.2 x 250 mm, 90 kg max rider weight) and  in the Performance version (from 93.5 gr. in 27.2 x 250 mm, 120 kg max rider weight). UD or 12K fabric texture with glossy or matte finish, white decals under clearcoat. MTB, Road Racing, Gravel, Triathlon use. 100% Handmade in Spain!