chainring
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chainring bolt circle diameter — The configuration of the bolt pattern on a chainring. Draw a circle through the center of all the bolt holes used to connect the chainring to the crankarm and measure the diameter of the circle (in millimeters). On a road crankset with two… … Dictionary of automotive terms
chainring teeth — The number and type of teeth (i.e., pointed projections which are forced between the rollers of a chain) in a chainring sprocket. A typical large road bike chainring has 53 teeth cut into its surface and it is referred to as a size 53 … Dictionary of automotive terms
chainring nut spanner — A special bicycle tool used to loosen the slotted nuts that fasten a chainring to a crankarm … Dictionary of automotive terms
chainring — One of the sprockets attached to the right crankarm of a bicycle to drive the chain. Also called chainwheel … Dictionary of automotive terms
chainring — … Useful english dictionary
chainring bolt — The 4 or 5 bolts that attach the chainrings to the crankarm of a bicycle … Dictionary of automotive terms
Crankset — A Shimano Deore right crankset, showing crank arm, spider, three chainrings and chainring guard … Wikipedia
Bicycle gearing — The gearing on a bicycle is the selection of appropriate gear ratios for optimum efficiency or comfort. Different gears and ranges of gears are appropriate for different people and styles of cycling. Multi speed bicycles allow gear selection to… … Wikipedia
Fixed-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… … Wikipedia
Derailleur gears — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic Dual … Wikipedia
