The XLAB X-Straps give you a clean, low-profile way to carry a spare tube or folded tire without adding bulk to your setup. Each pair mounts directly to your rear hydration system or saddle area using standard water bottle cage screws, with a quick-release Velcro system that makes roadside access straightforward. One pair holds one tire or tube securely — no rattling, no re-positioning mid-ride. At just 7.9g per pair, they add almost nothing to your bike. Made in the USA, and compatible with most rear hydration systems. A simple solution that keeps your spares exactly where you need them. Weight: 7.9g (pair) Mounts via water bottle cage screws Quick-release Velcro attachment Compatible with most rear hydration systems Made in the USA