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45NRTH XL Concave Carbide Studs

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Find the grip in even the harshest conditions with 45NRTH XL Concave Carbide Studs. Great to replace a few studs you've lost, or to stud a studdable tire, these studs are a must-have for serious winter riders, fatbikers, and commuters alike.


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 grippy inside edges, 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
  • Compatible with all studdable 45NRTH tires
  • XL Stud features a larger carbide tip diameter for increased traction
  • 45NRTH designs tires for extreme winter cycling applications. 45NRTH does not recommend this product be used with power assist bikes as the additional torque and system weight can lead to pre-mature casing wear and stud loss.

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