Bike computer

Numerous functions: speed, trip timer and distance, temperature, calories/fat burnt, clock/stopwatch.
Prices:
1 day      40kn (5€)
2+ days  10kn (1.3€)/day
1 week    70kn (9€)

GPS device

Outdoor weather proof GPS device + bike mount.
Prices:
1 day      100kn (13€)
2+ days  50kn (7€)/day
1 week    350kn (46€)