wheel center: sandwich (PP / TPR) grey
bearing: central ball bearing
threadguard: small nylon threadguard
galvanized sheet steel housing, screwing by plate with hole pattern 80/77 x 60 mm, housing with material strength 2.5 mm (fitting) and 2.5 mm (fork), clearance between the fork 42 mm, wheel rim made of a polypropylene core and inserted and dampening TPR ring with a tread made of polypropylene grey colored, hub width 40 mm, central ball bearing, screwed wheel axle (incl. all axle material).