Sigma BC1606L Bicycle Speedometer with Rear Wheel Sensor Kit Sigma Sport BC1606L Computers feature 16 functions with 2 numeric and 1 text line display. Features programmable trip section ideal for touring and adventure racing , Cadence functions include current, average and maximum , 16 functions with 2 numeric and 1 text line display , , , ,   User Ratings and Reviews 5 Stars Sigma BC1606L... 

Sigma Front Wheel Sensor Kit 2003 The sensor for automatic bike identification. For models BC 1106 and BC 1606 automatic bike detection is possible via an additional second bike sensor (optional). The bike computer recognises whether it is fixed to a racing bike or mountain bike, for example. This saves conversion or buying a second device and provides easy... 

Sigma BC1106 With Bike 2 Sensor Kit Sigma Sport BC1106 Computers feature 11 functions with 2 numeric and 1 text line display. Handlebar or stem mount , Color: Black, , , , , Buy/More Info  Read More →