mtb
✓ Verified Active Listing
24/12 Hours of Iron Maiden
🧬 Course DNA & Technical Intel
🛞 Recommended Tire
2.2" – 2.4" XC Tubeless
🚴 Discipline
mtb
🏁 Course Distance Options
12 Hour Open Male
12 Hour Open Female
12 Hour Single Speed (Coed)
12 Hour Solo Clydesdale
12 Hour 2-Person Coed
12 Hour 2-Person Female
12 Hour 2-Person Male
12 Hour 3-Person Male
12 Hour 3-Person Coed
12 Hour 3-Person Female
12 Hour Just Having Fun
12 Hour HappE Team
24 Hour Solo Male
24 Hour Solo Clydesdale
24 Hour Solo Female
24 Hour Solo Single Speed (Coed)
24 Hour 2-Person Coed
24 Hour 2-Person Female
24 Hour 2-Person Male
24 Hour 3-Person Coed
24 Hour 3-Person Female
24 Hour 3-Person Male
24 Hour Just Having Fun
24 Hour HappE Team
About 24/12 Hours of Iron Maiden
Official registered mtb event in McCalla, AL. Direct registration on BikeReg.
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⚙️ Recommended Pro Hardware for 24/12 Hours of Iron Maiden
Top-rated power meters, radar, and GPS computers curated by Threshold Cycling.
Dual-Sided SPD Accuracy
View Product Specs ↗
Favero Assioma Pro MX-2 Power Meter Pedals
$759.00
±1% real-world power accuracy, seamless Bluetooth/ANT+ connectivity, and full rock strike durability designed specifically for gravel epics.
Backcountry Safety
View Product Specs ↗
Garmin Varia RTL515 Radar Tail Light
$199.99
Detects approaching vehicles up to 153 yards away with visual and audible cockpit alerts on your GPS computer. Vital for remote rural gravel roads.
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