45NRTH XL Concave Carbide Aluminum Tire Studs - Pack of 25

45NRTH utilizes a two-piece construction method to create a reliable and high-performing bicycle tire stud featuring a concave carbide-aluminum design. The super-sized concave crown creates open space and inside edges of the bowl resulting in twice the surface area for increased traction and grip.Concave tip for durability and longevityAluminum base to save weightCompatible with the 45NRTH stud insertion tool