XL Concave Carbide Aluminum Studs Option 1:300 5" angular contact bearings provide

5" angular contact bearings provide smooth movement while the black seals offer protection from the elements

Intuitive and easy to use Shimano rapid fire 2x8 wide range shifting

Its light weight at 193 grams makes it quite suitable as a helmet mountable option as well as bar compatible—standard and oversized diameters

The new fit provides exceptional comfort

SUPER SLR design makes use of a friction-reducing mechanism lever and cable that improves response and modulation

XL Concave Carbide Aluminum Studs Option 1:300 5" angular contact bearings provide45NRTH 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. Sold in a pack of 100 XL Stud features a larger carbide tip diameter for increased traction We design 45NRTH tires for extreme winter cycling