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45NRTH Large Concave Carbide Aluminum Studs - 300 Pack

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45NRTH utilizes a two-piece construction method to create a reliable and high-performing bicycle tire stud with a concave carbide-aluminum design. The open space and edges created by the large concave crown result in twice the surface area for increased traction and grip.
Concave tip for traction, durability, and longevity
Aluminum base to save weight
Compatible with the 45NRTH stud insertion tool
Large stud offers more bite than regular concave stud and less rolling resistance than XL stud