cassette 8 speed front top

speed 3 1 8 tooth transport transportation vehicle gear sport chain cycle part technology wheel bicycle bike cassette circle equipment steel cog drive machine metallic power transmission cogwheel gearing mechanical recreation rotation component illustration industry isolated design gearwheel iron metal object accessory sprocket profile silhouette silver chrome competition disc edge tire service copy disk ecological element repair side drawing icon spoke brake close-up outline contour line symbol eco-friendly chainwheel chainring view 3d three dimension dimensional three-dimensional three-dimension d front gold golden color colors