a bike technician blowdrying a spider of a sprocket cassette. servicing and overhauling a mountain bicycle drivetrain at a bike

adjustment anonymous bicycle bike biking blow blower business cassette chain checkup circle cleaned cleansed closeup cogs cycle cycling detail dismantled diy dry drying fix gears gearwheel hobby iron job machine maintenance metal mountain overhaul parts professional rear repair repairer service serviceman shoe shop spider sprocket stainless store technician tools transport transportation work worker