gravel
β Verified Active Listing
Colesburg Back 40
𧬠Course DNA & Technical Intel
π Primary Distance
40 mi
π Recommended Tire
38mm β 42mm Tubeless
π΄ Discipline
gravel
π Course Distance Options
Open Men's 40
Open Women's 40
Open Tandem 40
Open Fat Bike 40 - Men's
Open Fat Bike 40 - Women's
Open Men's 40 - Single Speed
Open Women's 40 - Single Speed
Fun ride including E-Bikes
About Colesburg Back 40
Official registered gravel event in Colesburg, IA. Direct registration on BikeReg.
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βοΈ Recommended Pro Hardware for Colesburg Back 40
Top-rated power meters, radar, and GPS computers curated by Threshold Cycling.
Dual-Sided SPD Accuracy
View Product Specs β
Favero Assioma Pro MX-2 Power Meter Pedals
$759.00
Β±1% real-world power accuracy, seamless Bluetooth/ANT+ connectivity, and full rock strike durability designed specifically for gravel epics.
Backcountry Safety
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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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