http://www.cikfia.com/web/karting/webkarting.nsf/C54F7EAD9380CB63C125707500537686/$FILE/WEB_RT%202010_full_version.pdf?Openelement
2.5.3 - Rear wheel protection
* For all categories (except in Superkart), it is mandatory
and homologated by the CIK-FIA after having passed the
homologation tests.
* It is not permitted to modify the chassis to fi t the rear
protection (chassis modifi cation only allowed by the Manufacturer
of the chassis, in the respect of the Homologation
Form and of possible Extensions).
* The design and functioning of the rear protection must
be approved by the CIK-FIA Technical Working Group.
* The rear protection must be made of hollow plastic
moulded in one piece and must not present any danger
as regards safety. Furthermore, the structure must be
moulded plastic without foam fi lling, and the wall thickness
must be constant in order to provide uniform strength.
* It may under no circumstances be situated above the
plane through the top of the rear tyres.
* The surface(s) of the rear protection must be uniform
and smooth; the rear protection must not comprise holes
or cuttings other than those necessary for its attachment
and/or present at the homologation.
* Gap between the front of the rear protection and the
rear wheels surface: 15 mm minimum, 50 mm maximum.
* Minimum width: 1,340 mm.
* Maximum width: that of the overall rear width, at any
time and in all circumstances.
* Ground clearance: 25 mm minimum, 60 mm maximum
in a minimum of 3 spaces of a width of 200 mm minimum,
situated in the extension of the rear wheels and the centre
line of the chassis.
* It must have a minimum height of 200 mm above the
ground and have at the rear a vertical surface (+0°/-5°)
with a minimum height of 100 mm immediately above the
ground clearance, measured in a minimum of 3 spaces of
a width of 200 mm minimum, situated in the extension
of the rear wheels and the centre line of the chassis
(technical drawing No. 2c appended).
* Rear overhang: 400 mm maximum.
* The unit must be attached to the frame in at least 2
points by supports homologated with the protection and
made of plastic, steel or aluminium (possibly by a supple
system) on the 2 main tubes of the chassis, or on the
currently used bumper (upper bar and anti-interlocking
bar, Article 2.5.2), and it must be possible to install it on
all homologated chassis (respecting the homologated F
dimensions which vary from 620 to 700 mm).
* If a full rear fairing complying with the physical
dimensions of the rear bumper is used, mounting the antiinterlocking
bar and the upper bar is optional.
In all conditions, the rear protection must at no time
protrude beyond the external plane of the rear wheels
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rear bumper width ? by 'buzzinrussell' (08 Jul 2010 @ 17:29)
