change gear
71change into — phr verb Change into is used with these nouns as the object: ↑gear …
72change down or up — Brit. engage a lower (or higher) gear in a vehicle or on a bicycle. → change …
73change down — A British expression meaning to shift to a lower gear …
74change up — A British term meaning to shift up to another gear …
75Hub gear — Sturmey Archer SX3 A Sturmey Archer AM bicycle hub gear mechanism wi …
76Fixed-gear bicycle — A fixed gear bicycle or fixed wheel bicycle, is a bicycle without the ability to coast. The sprocket is screwed directly on to the hub and there is no freewheel mechanism. A reverse thread lockring is usually fitted to prevent the sprocket from… …
77shift gear — The action of selecting a different gear. The expression in Britain is change gear …
78elliptic gear — noun : a change gear consisting of a pair of equal gear wheels which are elliptical in shape and each of which rotates around one of its foci …
79sliding gear — noun Etymology: sliding (II) : a change gear in which speed changes are made by sliding gear wheels along their axes so as to place them in or out of mesh …
80speed gear — noun : change gear * * * an adjustable gear for driving a machine at various speeds …