Sigma RCS Plus Wireless Transmitter Any Topline Computer

Sigma Topline RCS Plus wireless transmitter for any Toplin computer. Wireless mounting system with auto start/stop. Digital data transmission for interference free reception signal.

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Vetta V100 Wireless Speed Distance Cyclocomputer

Intermediate time and distance features is perfect for interval changing. Temperature gauge for maximum effort judging. Freeze frame for interval training. Compatible with wireless speed and cadence mount.

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SIGMA PC3 Heart Rate Monitor Watch

More functions do not always mean better. The PC3 models offer the essential features along with Sigma

Deal makers and deal breakers abound, while tech faces test with Olympics. Also: Facebook games.

Deal makers and deal breakers abound, while tech faces test with Olympics. Also: Facebook games.