XLAB Mini Wing 105 Saddle Mounted Dual Water Bottle Carrier System Guide Ultimate Material: Unidirectional carbon fiber

Material: Unidirectional carbon fiber

Presta Valve

They have both an o-ring and a threaded washer to keep the rim scratch-free and to keep the washer tight

5mm Travel Spacer Super Deluxe C1+ (2023+)

XLAB Mini Wing 105 Saddle Mounted Dual Water Bottle Carrier System Guide Ultimate Material: Unidirectional carbon fiberXLAB Mini Wing 105 Saddle Mounted Dual Water Bottle Carrier System. XLAB Mini Wing 105 dual bottle system tucks neatly behind your saddle for easy access to hydration. Ergonomically designed for easy access the bottles even with limited flexibility and mounts low to not hinder your ability to get on and off the bike. High gripping XENON cages tout an 8lbs grip force (approx) within the ideal range of rear system grip force for worry free bottle