gearset
/ˈɡɪərzɛt/Definitions
1. noun
A collection of gears, especially those of a mechanical device or machine, that work together to transmit motion and power.
“The repair of the gearset on the old motorcycle took several days.”
2. verb
To adjust or fit the gears of a machine or device so that they rotate or move smoothly together.
“You need to gearset the bike properly before racing.”