Box-jumping section:

Small third gear 75*40*20*50

Add to the small third gear 75*40*20*50

Third gear 80*40*20*65

Heavy three 80*40*20*65

Small fourth gear 80*45*20*65

Weighing the fourth gear 80*45*20*65

Fourth gear 90*60*30*90

Weight four 90*60*30*90

Big four gear 100*80*40*100

Heavy fourth gear 100*80*40*100

Small fifth gear 85*53*20*82

Weight small five 85*53*20*82

Fifth gear 120*90*40*120

Weight five 120*90*40*120