wheel center: nylon black
bearing: ball bearing (stainless)
threadguard: small nylon threadguard
stainless steel housing (AISI 304), screwing by plate with hole pattern 105 x 84/76 mm, housing with material strength 2.5 mm (fitting) and 2.5 mm (fork), clearance between the fork 60 mm, wheel rim made of nylon with a tread made of vulcanized elastic tyre (approx. 65° Shore A) grey colored, hub width 59 mm, stainless steel center ball bearing, screwed wheel axle (incl. all axle material).