Trek 4900 Mountain Bike

Trek 4900 lend from Pat

I enjoyed the fork suspension when riding the graded bike trails south of Sisters, Oregon. Sharp rocks on the sides of trails were a flat tire waiting to happen. I was lucky.

A bike shop mentioned that most folks were riding tubeless these days with enough goop inside the tire to seal and pinch puncture that might occur. How long does that last, I asked. A few months between replacement, I was told. That wasn't going to work for me when I rode these trails maybe once a year.

Expert Single-Track, Sisters, Oregon

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Northwest Trail Alliance: strive for Portland, NW Oregon and SW Washington to become a recognized and acclaimed haven for mountain biking and off-road cycling. site