Widiyatmoko; Arfan Ishartanto; Mike Elly Anitasari; Ma’rifat Al Hakim; Khoirul Mu’allif. Effect of Changing Primary Fixed Sheave Angle and Roller Weight on Torque, Power, Top Speed, and Acceleration on Matic Motorcycles. E-Komtek 2022, 6, 327-336.