Originally Posted by
Milton Keynes
Definitely a pinch flat, especially since it started losing air right after you hit the rock. The tube's not defective and didn't just decide to fail. Just patch it and use it as your spare.
It already had one patch on it so it got tossed. I have about 10 new spares at home. I usually patch two times before tossing but this one was suspect so I just tossed it.
