Crafts rɔba tracks yɛ dadeɛ core, dadeɛ waya ne rɔba a ɛnam vulcanization so na ɛyɛ.
Dade no mu ade titiriw ne nneɛma atitiriw a wɔde hyɛ afiri no mu nhyɛso. Wɔnam forging so na ɛyɛ. Na ansa na vulcanization no reba no, na wɔde shot blasting ne ultrasonic cleaning bɛtew dade no ani, afei wɔde gluu soronko bɛhyɛ mu de ahwɛ ahu sɛ wɔde rɔba no bɛka abom denneennen. Dadeɛ nhama ma nhyɛsoɔ no kɔ so ma rɔba kwan no kɔ so wɔ ne tenten a wɔakyerɛ no mu, sɛdeɛ ɛbɛyɛ a ɛrentrɛw rɔba kwan no mu ɛnam adwuma a ɛbɛkyɛ anaa biribi foforɔ biara nti. Rɔba a wɔde yɛ rɔba no ne ade a ɛho hia sen biara.