45NRTH Large Concave Carbide Aluminum Studs - 100 Pack

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
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