Vetta RT255 Heavy Duty Cycling Computer It includes all the functions of the RT233 and adds readings on Maximum and Average Speed plus a Speed Comparator function. A Ride Timer in enables riders to compare ride times and measure performance improvement over the same route. The Heavy Duty Metal Braided Cable, with advanced abrasion-resistant, can decrease damages... 

Vetta RT55 10 Function Cycling Computer The RT55 and RT88 models have been designed for cycling enthusiasts who want a bigger picture of their cycling performance. Both units include all the functions of the RT33 and add readings on Maximum and Average Speed plus a Speed Comparator function. A Ride Timer in both models enables riders to compare ride times and...