Transmission Comparision Chart TypeRoller ChainTooth BeltV BeltSpur Gear SynchronizationGreatGreatPoorGreat Transmission EfficiencyGreatGreatPoorGreat Anti-ShockFairGoodGreatPoor Noise/VibrationFairGoodGreatPoor Surrounding Condition Avoid Water, Dust Avoid Heat, Oil, Water, Dust Avoid Water, Dust Space Saving (High Speed/ Low Load)PoorGreatGoodGood Space Saving (Low Speed/ High Load)Great Compact Fair Heavy Pulley Poor Wider Pulley Good Less Durability Due to Less Engagement Lubrication Poor Required Great Great No LubeGreat No Lube Poor Required Layout FlexibilityGreatGoodFairPoor Excess Load onto BearingGreatFairPoorGreat