45NRTH XL Concave Carbide Aluminum Tire Studs - Pack of 300 CheckoutSpec= 10-Speed Outer Enhanced with Ratchet EXP driver

Enhanced with Ratchet EXP driver technology using fewer parts while providing greater reliability and easier maintenance

Highly resistant to UV rays

Features mounting holes for computer/accessory mount

6 Stack 10mm Upper/Lower Upper Color Black Weight 43g Type Upper S H I S ZS44/28

45NRTH XL Concave Carbide Aluminum Tire Studs - Pack of 300 CheckoutSpec= 10-Speed Outer Enhanced with Ratchet EXP driver45NRTH 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