What should you carry when mountain biking alone?
When you mountain bike alone, carry a trail repair kit (tubeless plugs, spare tube, pump, multi-tool with chain breaker, quick link, spare hanger), a first aid kit that can handle road rash and a possible fracture, water, food, a light layer, and a phone with trail maps. Wear a helmet and gloves. Tell someone which trails you're riding and when you'll be out, because a crash on a quiet trail can leave you alone for a long time.
What to carry
01A trail repair kit
Tubeless plugs, a spare tube, a pump or CO2, and a multi-tool with a chain breaker cover most mechanicals. Add a quick link, a derailleur hanger for your frame, and a few zip ties. A tire lever and a valve core tool help with stubborn tubeless setups.
02First aid for crash injuries
Carry gauze, tape, wound wipes, a few large bandages and a triangular bandage or elastic wrap for a sprain or suspected broken collarbone. Crashes on rocky descents often cause cuts and shoulder injuries. Know how to use what you carry.
03Water and food
Riding technical terrain takes more effort than the distance suggests. A hydration pack carries water, tools and a layer together. Keep a bar handy for the climb back out.
04A layer and a light
A packable jacket keeps you warm while you fix a flat or wait with an injury. A small light helps if a repair drags into dusk under trees. Wooded trails get dark earlier than open roads.
05Helmet, gloves and a phone you can reach
Wear your helmet every ride and replace it after a crash; the CDC says a properly fitted helmet reduces the risk of head and brain injury. Keep your phone in a hip or chest pocket, not only in the pack, so you can reach it if you're pinned or hurt. Know which trail you're on so you can describe where you are.
06A live link and crash detection (beta)
Start a Holler live link at the trailhead so your Guardians can see where you are. Crash detection (beta) is optional and may miss a crash or false-alarm, so also set a return time. See what to do after a bike crash for the first minutes after a fall.
Related questions
What's the most important repair item?
For most riders, tubeless plugs and a pump. Punctures are the most common way a ride ends early. A chain breaker and quick link come next.
Should I carry a hydration pack or a hip pack?
A hydration pack carries more water and tools for long rides. A hip pack is cooler and fine for short local laps. Either way, keep your phone somewhere you can reach it.
What changes for a big backcountry ride?
A one-hour lap at a busy trail center needs plugs, a pump, a multi-tool and water. A three-hour ride into quiet country needs the full kit: spare tube, hanger, quick link, first aid, a layer, a light, food and a battery pack. Also tell your Guardian the trailhead and loop before you lose signal.
What if I crash and can't ride out?
Call 911 if you're badly hurt and have signal. Stay warm and visible, and use a whistle to signal other riders. Our answer on falling while mountain biking alone walks through the steps.
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Sources, checked September 2026: CDC: Bicycle safety.
More safety answers, or see the safety guides.