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Riding without Power Assistance
Your Tern is designed to be ridden normally like a conventional bike if the power assist is turned off. If you are going downhill or want to
extend your range you can turn off the assistance but keep the display on to watch your speed. However, if the battery runs empty during
your ride, the lights will not function since they are connected to the motor battery.
If your Tern is fitted with a Valo Direct light, you may purchase a Tern spade to USB cable and connect an USB power bank to turn on the
light so you don’t ride in the dark. The power bank should indicate how much power remains and provide you a visual alarm (such as
blinking) when the power level is low (less than 20%). Verify empirically that there is enough power to last your ride after the low indicator
has turned on.
Range of Battery
Range varies depending on factors such as:
Average riding speed
The faster you go the more energy is required and the quicker the battery will be depleted. However, if you ride faster than the maximum
assist speed, the motor assist will completely shut off and the motor will not drain the battery.
Assistance level used
The best way to conserve battery power is pedaling effort! Using less assistance and exerting more effort into pedaling will decrease
battery power consumption and result in a longer range.
General maintenance
Keep Tire pressure correctly inflated. Maintain and lubricate moving parts.
Stop-and-go traffic
Starting from a standstill will always require more energy. To extend your range, start in Eco mode.
Rider’s weight and cadence
The motor will use up more energy for heavier riders. Keeping a cadence of at least 60 rpm will be more efficient.
Road conditions (road surface, terrain, wind)
Unpaved (dirt, gravel) roads, headwinds, and going uphill will reduce your range.
Starting Off
When the controller is on, the power assist will be applied immediately when you step on the Pedal. It is, therefore, recommended to mount
your Tern with the controller off. After you are seated, make sure no weight is on the pedals to prevent accidental movement, then turn on
the controller. Start off at the lowest level of assistance.
Certain motor systems ask you not to put any weight on the Pedals before powering on so it can reset itself correctly.
Selecting the Correct Level of Assistance
Do not only ride in high gear with power assist. Change gears as you would on a conventional bicycle to maintain an efficient cadence for
your riding style. This will maximize the efficiency of the assistance to your power input.
For example, with a Bosch Mid-Drive Motor system, keeping your cadence constantly at approximately 90 rpm, regardless of speed, will
ensure the motor is assisting you most efficiently.
Riding with Power Assistance
How much you pedal determines how much assistance the motor provides. All pedelecs have an internal control algorithm to stop assisting
as soon as you stop pedaling. This is an inbuilt safety feature conforming to EN 15194 (EPAC – Electrically Power Assisted Cycles).
When cornering on a pedelec, stop pedaling sooner than you are used to, otherwise, you may have too much speed through the turn.
As you are likely to be traveling at an average above speed, look further up the road and be ready to brake whenever a possible situation
appears before you.
Due to the near silent nature of an electric motor, pedestrians and other cyclists may not hear you approaching.
Ride defensively, wear bright clothing, signal your intentions, and use your bell when necessary.
13. Tips for Riding a Pedelec
