The Dirt Core puncture insert is engineered to provide superior protection against pinch flats and rim damage, while enhancing tire stability and damping characteristics during aggressive riding. This 'Hard' variant is specifically formulated for heavier riders or those seeking maximum rim protection and a more direct tire feel in demanding off-road conditions.
Specific Fitment:
Compatible with 29-inch tubeless-ready mountain bike rims.
Suitable for Enduro, Downhill, and aggressive Trail riding applications.
Optimized for tire widths ranging from 2.3" to 2.8".
Technical Specifications:
Wheel Diameter: 29" (ETRTO 622mm)
Material Composition: Proprietary high-density closed-cell polymer foam
Intended Use: Enduro, Downhill, Aggressive Trail
Tire Width Compatibility: Optimized for 2.3" - 2.8"
Weight (approx. per insert): 245g
Protection Level: Enhanced pinch flat and rim strike protection
Damping Characteristics: High-level vibration absorption and tire sidewall support
Tubeless Compatibility: Fully compatible with tubeless setups and sealant
Valve Compatibility: Designed for use with standard tubeless valves (35mm minimum length recommended)
Durability: Resistant to punctures and cuts, retains shape under load
✓ DBR-PROVEN QUALITY
Each unit undergoes rigorous multi-point inspection for material consistency, structural integrity, and precise dimensional accuracy. Performance verified through simulated impact and environmental stress testing.