Join Date: May 2005
Location: Ventura, CA
Bikes: Madone, De Rosa, Langster, some old Brit track iron
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Here are some excerpts from the rulebook.
(a) Dimensions. Bicycles may be no more than 2 meters
long and 75 cm wide, except that tandems may be up to 3
(b) There may be no protective shield, fairing, or other
device on any part of the bicycle, which has the effect of
reducing air resistance except that spoke covers may be used
(d) The handlebar ends shall be solidly plugged and
attachments thereto shall be fashioned in such a way as to
minimize danger without impairing steering. Handlebars used
for steering with ends, features, or attachments that extend
forward or upward or that provide support for other than the
the rider's hands are permitted only in time trial and pursuit
events (not in Team Sprint); however, attachments that point
upward on the brakehoods of road bicycles are allowed if the
distance between them is greater than 25 cm (9.8 inches).
In other words, plugged drop bars for mass-start events.
(g) A mass start bicycle is a road or track bicycle that is
legal in all events within the road or track discipline, rather
than a bicycle that is restricted to particular events. As an
example, a bicycle with handlebars offering forearm support
is not a mass start bicycle.
(a) For track races, only a bicycle with a single cog fixed
wheel and without derailleurs, brakes or quick releases may
be used; However, in pursuit and time trial events that are
not championships or selection events, brakes, freewheels,
quick releases, and derailleurs may be installed on the bicycle
so long as only one gear is functional.
Ah, Andre beat me to it, but here's the official language anyway.