Wheel rim material: PA6 (NYLON) + GD 10%.
Fork Frame Material: PA6 (NYLON) + GF 20%.
Metal center rod, NYLON leg and bearing with bolt well assembled.
Fork open width: 40mm or 60mm.
Suitable for wheel with frame to the need of various kind of baby/children vehicle, light weight trolley/cart, rollator and vehicle trailer.
wheel hardness: 70
5 inches wheel set