321 Timer is only available for iPhones, not iPods and not Android. We're happy to tell you when the Android version will be available
Subscription and Sensor kit
Required to use the service. Subscription is $100/year and a sensor kit is $50.
However, for the first year you get the first six months of the subscription free so you only pay $100 total.
Extra Holder and Strap.
Good if you have more than one bike. $10 each
Good if you have more than one bike. $40 each
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