cassette 8 speed front

wheel 3 1 8 bicycle cog service speed gear sport grey illustration part repair bike cassette circle metal steel vector mountain action colours curve detailed drive horizontal lifestyles machine power realistic silver technician transfer transport transportation vehicle wavy chrome concentric cut out disc fix frame front view mechanic motion rear workshop aluminum brake chain close-up component cycling element isolated pedal roller spare spoke stunt concept detail equipment gearwheel iron pile sharpened spiked black color closeup profile of derailleur audio extreme sports outdoors 3d