Sigma HRM Accessories

Sigma represents 25 years of German technology at its highest level, combining innovative design with precision engineering. All products are CE-approved and tested in the Sigma in-house laboratories to withstand the harshest conditions, ensuring quality continually through production.

Sigma's inception began with the idea to produce a cycle speedometer - today's cycle computer - incorporating many advantages over conventional tachometers from that period, including delivery of exact data. Sigma have since evolved into offering highest-quality products at affordable prices,  including Heart Rate Monitors developed for entry level users right up to the professional user.