Molemo o moholo oa carbon fiber ke hore boima ba eona bo ka tlaase ho kotara ea tšepe 'me bo bobebe ho feta aluminium, e leng se etsang hore e be thepa e phethahetseng ea ho finyella "boima bo bobebe". 30 lekholong e bobebe ho feta aluminium le karolo ea 50 lekholong e bobebe ho feta tšepe. Haeba likarolo tsohle tsa tšepe tsa koloi li ne li nkeloa sebaka ke lisebelisoa tsa carbon fiber composite, boima ba koloi bo ka fokotsoa ka lik'hilograma tse 300. Carbon fiber e matla ka makhetlo a 20 ho feta tšepe, 'me ke eona feela ntho e sa lahleheloeng ke matla mochesong o phahameng oa 2000℃. Monyetla o motle oa ho monya matla ke makhetlo a 4-5 a lisebelisoa tse tloaelehileng tsa tšepe