Owner’s Manual
Tubes
Your ElliptiGO® bike comes with high-pressure tubes There
are two kinds of valves used on inner tubes in the bike
industry. Schrader valves are frequently used for low-pressure
tubes and are the same valves you’ll find on automobile tires.
Presta valves are frequently used with high-pressure tubes.
Each valve type requires a dierent pump head for inflation.
Your ElliptiGO bike comes equipped with high pressure tubes
that use a Presta valve. To inflate them, you can use a pump
head configured for use with a Presta valve, or you can use
a Presta-valve adapter with a pump head configured for
Schrader valves.
To inflate your tubes, follow these steps:
1. Gently loosen the locking nut at the top of the Presta
valve by turning it counterclockwise several turns until it
reaches the end of the center thread. DO NOT remove
the locking nut - stop turning it once it reaches the end
of the center thread.
2. Push down briefly on the nut to ensure that they Presta
valve is not stuck in the locked position. A small amount
of air should escape.
3. If you are using a pump head configured for a Presta
valve, proceed to the next step. If you are using a pump
head configured for a Schrader valve, screw the larger
end of your Presta-valve adapter onto the metal valve
stem.
4. Place the pump head over the valve.
5. Inflate to the proper pressure. We recommend inflating
your tires 5% - 10% under the max pressure printed on
the tire sidewall. The rims on your bike are designed
to accept 20” X 1.5” - 1.75” tubes with Presta valves, so
whenever you purchase a spare tube, ensure that it is this
size and has a Presta valve.
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