Table 2

 Speed, distance, and journey times

Steel frame bicycleCarbon frame bicycleDifference
Total number of journeys30264
Total distance809 miles (1302 km)711 miles (1144 km)98 miles (158 km)
Top speed36 mph (58 kph)36 mph (58 kph)0
Fastest journey time (hr:min:sec)1:37:401:40:5000:03:10
Slowest journey time (hr:min:sec)1:57:442:03:2000:05:26
Average journey time (hr:min:sec)1:47:48 1:48:2100:00:32 (95% CI
–00:03:34 to 00:02:30)*
 Standard deviation00:04:540:06:15

*P=0.72.