45NRTH Large Concave Carbide Aluminum Tire Studs - 300 Pack MFPN=100002157 Jaw width: 70 mm (2

Jaw width: 70 mm (2

S2 tool steel pin freely spins on a ball bearing ensuring long life lower effort and better alignment

}The AM30 is your one-wheelset quiver for lunch laps

Race-ready tread design intended to go fast on gravel and dirt

SHIMANO Equivalent MF-TZ21 / MF-TZ20

45NRTH Large Concave Carbide Aluminum Tire Studs - 300 Pack MFPN=100002157 Jaw width: 70 mm (245NRTH utilizes a two piece construction method to create a reliable and high performing bicycle tire stud with a concave carbide aluminum design. The open space and edges created by the large concave crown result in twice the surface area for increased traction and grip. Concave tip for traction durability and longevity Aluminum base to save weight Compatible with the 45NRTH stud insertion tool Large stud offers more bite than regular concave stud