| 摘要 |
<p>The bike has a drive belt (43) forming a continuous loop engaged with a chainring (41) and a sprocket. A right-hand chainstay element (32) comprises a major portion (61) arranged below a straight line extending from a lower end of the chainring to a lower end of the sprocket. The belt comprises an outward strand (63a) and a return strand (63b) that extend through triangle formed by a frame element (20). A crankset (40) comprises an axis situated at vertically measured distance from an upper face of the chainstay element, where the distance is slightly greater than radius of the chainring.</p> |
