OPS - Oversize Puncture System Mountainbike Riders Say:

Riders Say:

• LightweightSize guide

Proven to seal up to a 6mm puncture on tubeless tires

• Comfortable and durable

This patent-pending

OPS - Oversize Puncture System Mountainbike Riders Say:Big Flat? Small Fix. Meet the OPS (Oversize Puncture System) by GP your new secret weapon for fixing large punctures fast, without stuffing your pockets or loading up your pack. This patent pending, ultralight repair system is injection moulded and mounts directly to your saddle rails and is always ready for action whether youre racing, grinding gravel, or hitting the weekend trail. Why Youll Love It: Zero Pocket Clutter: Clips under your saddle youll