Common Mountain Bike Trail Repairs

One minute you’re pedaling up a strenuous climb, closing in on the summit. The next, sitting frustrated on the side of the trail, vexed by a mechanical issue. Time for more hex wrenches and less helplessness. Learn how to fix flats and broken chains as well as regularly check and maintain loose bolts.  The result is more confidence and self-sufficiency on the trails. 

1. Flat Tires

Despite vast improvements in both tire and rim technology, flat tires remain probable. A spare tube, tire lever and a mini-pump or CO2 inflator/cartridge makes quick work of the unfortunate flat. Additionally, a patch kit provides insurance in the event of multiple punctures. Never fixed a flat? Give this quick video from an Australian shop tech a watch.

2. Loose bolts

More a preventative measure than simply a trailside repair, periodically check critical bolts. Active Junky advocates carrying a few critical spares (like a cleat bolt and chainring bolt) to replace a broken bolt.

3. Broken Chain

With proper maintenance, a broken chain is unlikely. No matter, have the know-how, as a chain is central to your drivetrain. Many multi tools come equipped with a chain tool, a necessary element in trailside chain repair. Carry a brand-specific masterlink and/or joint pin for a stronger repaired chain.

Our bikes are amazing tools, but they require regular upkeep. Check out Zinn and the Art of Mountain Bike Maintenance for a comprehensive tome on the subject.