shafty

English

Alternative forms

• shaftie

Etymology

shaft +‎ -y

Noun

shafty (plural shafties)

1. (cycling, informal) A bicycle that uses a driveshaft instead of a chain to transmit power from the pedals to the wheel.
   • 1994, Cycle World Magazine, volume 33, number 1, page 49:

     At the rear, you'll find a single, centrally mounted shock, the now-familiar single-sided swingarm and BMW's Paralever shaft-drive system, which does away with most of a shafty's chassis-jacking bugaboos.