Jerome & Elizabeth Moos wrote:
>We've had this dicussion before, but it goes far beyond the wheels part in determining total bike weight. The rims and tires have a large moment arm about the axis of rotation (the hub axle), while everything else, including the frame, has essentially zero moment arm, so when it comes to accelerating and braking, rim weight counts for everything, while frame weight counts for nothing.
> Pardon me, I can read no further. If not, because I teach Classical Mechanics.