This document outlines the key components of a bicycle sharing system, including locks on the bicycles, a mobile device for users, donkey hubs for payments through a gateway like PayPal, a donkey back-end server and database in the cloud, maintenance and redistribution partners, Bluetooth and broadband connections, user account management, and an API to share bicycle location and availability with public transit trip planners.

1. Locks on
bicycles
User mobile
device
Donkey hubs
Payment gateway,
i.e. PayPal
Donkey back-end server
and DB on the cloud
Maintenance
partner
Bicycle redistriburion
partner
Bluetooth
connection
Broadband
(GPRS)
connection
User account
management
API to public transit
trip planners:
Bike location and
availability