45NRTH XL Concave Carbide Aluminum Tire Studs - Pack of 300 CheckoutSpec= 10-Speed Outer Highly resistant to UV rays

Highly resistant to UV rays

Concave shaping on the bottom tucks and routes the housing to be out of the way

Magnetic head with twisting collar to keep out dirt and debris

while maintaining supple sidewalls to ensure high performance

45NRTH XL Concave Carbide Aluminum Tire Studs - Pack of 300 CheckoutSpec= 10-Speed Outer Highly resistant to UV rays45NRTH 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 longevity Aluminum base to save weight Compatible with the 45NRTH stud insertion tool Quantity Pack Of 300