Velocomp's iBike Powerhouse, the cycling computer that integrates with your wheels to bring you workouts such as the descriptively named Brazilian Butt, is finally ready to ship. Introduced back in January, the Powerhouse works with an app for the iPhone or iPod touch (hence the iMoniker) to measure your pedal rates and other health stats, with preset workouts guiding you through 45- to 90-minute rides targeted toward your fitness level. The regimens also include tips and video demos from cycling pro Hunter Allen. The $279 package, available through
