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presta

Presta is a term with two common references in cycling and computing. It can denote a type of bicycle tire valve, or an open‑source e‑commerce platform called PrestaShop.

The Presta valve, also known as the Sclaverand valve, is a slender valve used on many road

In computing, Presta usually refers to PrestaShop, a free, open‑source e‑commerce platform for building online stores.

and
high‑pressure
bicycle
inner
tubes.
It
has
a
threaded
stem
with
a
small
locknut
at
the
top
that
must
be
loosened
to
open
for
inflation.
The
valve
is
typically
lighter
and
can
withstand
higher
pressures
than
the
Schrader
valve.
To
inflate,
a
pump
head
compatible
with
Presta
valves
or
an
adapter
is
required.
After
inflating,
the
nut
is
tightened
to
seal.
A
cap
protects
the
valve
from
dirt
and
helps
maintain
the
seal.
Presta
valves
may
require
a
pump
head
that
specifically
accommodates
the
valve
or
the
use
of
an
adapter
when
using
standard
pumps.
PrestaShop
is
written
in
PHP
and
uses
MySQL
or
MariaDB
for
data
storage,
with
Smarty
as
its
templating
engine.
It
supports
multiple
languages
and
currencies,
a
modular
architecture,
and
a
marketplace
of
themes
and
modules
for
payments,
shipping,
and
marketing.
It
is
typically
self‑hosted
and
maintained
by
a
global
community
of
developers
and
merchants.