Darimo Aero Seatpost - Colnago Y1RS - UD Matte E1 Bottom bracket type: BSA 73

Bottom bracket type: BSA 73 mm SuperBOOST+

Caffélatex is perfect for tubeless

Material: H2Tex three-layer waterproof fabric

Compatible with: XTR BR-M9120

Brakes Magura MT7 4-piston hydraulic disc

Darimo Aero Seatpost - Colnago Y1RS - UD Matte E1 Bottom bracket type: BSA 73Looking for a not round seatpost for your top end bike? Here you have the solution. Now you can change your original not round seatpost and remove weight in one of the most important places of the bike. The weight removed in seatpost and saddle is very important as its far from the ground, then the pendulum effect is reduced drastically. The weight for this kind of not round seatpost is around 95 grams in 350mm length for the straight version. The