The Cycling-Inform Store

mprove your Cycling Endurance and Stamina by using the carefully selected workouts in the Endurance Builder 5-Pack! Each one of the endurance building workouts chosen for this 5-Pack offer 90 minutes or more of intense interval training designed to help you ride for longer periods of time at greater speeds. Ideal for any serious cyclist preparing for a long distance event, incorporating these workouts into your structured training program once or twice each week will take your cycling and fitness to new levels! Spinervals workouts chosen for this 5-Pack total 10 hours of intense training and include: