iPhones should be properly stowed while you are on your trusty cycle, but below are some stellar apps for the iPod Touch and iPhone that will assist on the ride and keep track of the precious details.  Take advantage of the tech tools out there and take your training to the next level.   

Bicycle Gear Calculator

This valuable app/tool helps you evaluate current or potential Gearing Ratios, calculate Gain Ratios, Gear Inches, and Development. Use the Skid Patch Analyzer to visualize and minimize your fixed-gear’s tire wear. Explore equivalent gearing configurations that let you reuse parts you already have.

B.iCycle

Accurate values for current speed, average speed, maximum speed, total distance, trip distance, current altitude, climbed altitude, burned calories as well as trip time

MapMyRide

iMapMyRide features real time tracking with distance, time, pace and speed display. It integrates with MapMyRide.com and Twitter.

iRPM

iRPM+™ is a cardio fitness system and cycling computer for the iPhone that is compatible with a growing list of fitness sensors. Customize your dashboards to view and track fitness metrics like heart rate zones and calories burned, and cycling metrics like speed, distance and power.

Bike Your Drive

Released by REI, Bike Your Drive will help cyclists track, view, and share their bicycling experience. REI says the app will let riders view their progress, pinpoint their mileage, and upload geotagged photos.  Skip the gasoline and burn some calories.