Sigma specializes in cyclocomputersbike lights and fitness watches for action sports people. User-friendly and cutting edge technology makes Sigma products a favorite among fitness enthusiasts.

Sigma also offers cycle computer accessoriesbike light accessories and sports watch accessories. Please note that some of the accessories like cables, batteries etc can be used on multiple Sigma products like computers, watches or lights. Please be sure to read the product description to make sure it will work for you before making your purchase.

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