A smarter bike lock that connects to your smartphone to provide keyless entry, theft detection, crash alerts and more.


Keyless Entry


Ellipse doesn’t require a key; it locks and unlocks with a tap of your phone. You can even set Ellipse to unlock automatically as you approach your bike, so you never have to take your phone out of your pocket.


Secure Backup Access


The touchpad is a novel and personal way to interact with your Ellipse. Key in a personal code of up to eight characters to lock or unlock your Ellipse if your phone runs out of battery. When it’s not in use, the touchpad goes dark, so no one even knows it’s there.




Ellipse’s built-in solar panel automatically charges the battery as you go about your day. Normal use in outdoor or indoor light will keep the battery charged. In the rare instance the battery runs out, you can charge it by exposing Ellipse to light or through a micro-USB charger.


Theft Alerts


Ellipse will send you an alert if your bike is disturbed. It’s range is up to 800ft (243m), which can reach more than three city blocks. You can adjust the alert sensitivity to your liking toggle the feature on and off.


Resists Attackers


17mm thick steel offers proven bike security from would-be thieves. Ellipse has two locking mechanisms, one on each side, which mean it needs to be cut through twice to break. Bank-level encryption prevents even the most determined hackers from finding a virtual way in.


Real-life Rugged


Ellipse has been extensively tested against everything life throws at cyclists. Rain, dust heat, cold – you name it, Ellipse can handle it.

Sold By: Lattis Smart Solar Bike Lock.Store
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Cost to Run Annually

This is the estimated cost to operate annually based on 12 cents per kWh (https://www.eia.gov/forecasts/steo/report/electricity.cfm). The annual estimated amount to operate annually is entered by the vendor and or manufacturer.

Energy Generator

Miles Driven by an Average Passenger Vehicle

Passenger vehicles are defined as 2-axle 4-tire vehicles, including passenger cars, vans, pickup trucks, and sport/utility vehicles.
In 2011, the weighted average combined fuel economy of cars and light trucks combined was 21.4 miles per gallon (FHWA 2013). In 2011, the ratio of carbon dioxide emissions to total greenhouse gas emissions (including carbon dioxide, methane, and nitrous oxide, all expressed as carbon dioxide equivalents) for passenger vehicles was 0.988 (EPA 2013a, EPA 2013b).
The amount of carbon dioxide emitted per gallon of motor gasoline burned is 8.89 × 10-3 metric tons, as calculated in the “Gallons of gasoline consumed” section above.
To determine annual greenhouse gas emissions per mile, the following methodology was used: carbon dioxide emissions per gallon of gasoline were divided by the average fuel economy of vehicles to determine carbon dioxide emitted per mile traveled by a typical passenger vehicle. Carbon dioxide emissions were then divided by the ratio of carbon dioxide emissions to total vehicle greenhouse gas emissions to account for vehicle methane and nitrous oxide emissions.
Note: Due to rounding, performing the calculations given in the equations below may not return the exact results shown.
8.89 × 10-3 metric tons CO2/gallon gasoline × 1/21.4 miles per gallon car/truck average × 1 CO2, CH4, and N2O/0.988 CO2 = 4.20 x 10-4 metric tons CO2E /mile
•EPA (2013a). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2011. Chapter 3 (Energy), Tables 3-12, 3-13, and 3-14. U.S. Environmental Protection Agency, Washington, DC. U.S. EPA #430-R-13-001 (PDF) (505 pp, 12.3MB)
•EPA (2013b). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2011. Annex 6 (Additional Information), Table A-275. U.S. Environmental Protection Agency, Washington, DC. U.S. EPA #430-R-13-001 (PDF) (505pp, 12.3MB)
•FHWA (2013). Highway Statistics 2011. Office of Highway Policy Information, Federal Highway Administration. Table VM-1.

Equivalent to 0 miles driven by an average passenger vehicle