Formula

Hose O-Ring (3x1mm) Pack of 10

Formula Hose O-Ring (3x1mm) Pack of 10 keeps your hydraulic brake system sealed, secure, and performing like it should. These small but essential components prevent leaks and maintain consistent braking pressure, ensuring every squeeze of your lever feels just right on the trail or road.

Designed to fit Formula R1, The One, RX, Mega, RO, Cura, Cura-4, and Cura-X systems, these O-rings are perfect for replacing worn or damaged seals during a hose service or full rebuild. Whether dialing in a new setup or maintaining a trusted ride, having a pack of 10 means you’re ready for multiple builds or quick fixes.

• Compatible with Formula R1, The One, RX, Mega, RO, Cura, Cura-4, and Cura-X brake systems
• 3x1mm size for precise sealing in brake hose fittings
• Prevents fluid leaks and maintains brake performance
• Includes 10 O-rings—ideal for workshops or home mechanics

A simple part that makes a big difference, the Formula Hose O-Ring pack keeps your braking system tight, consistent, and ready for every ride.