Online registration may not be allowed for all activities. To enroll into a group exercise class, please reserve your spot via our mobile app [https://ymcagbw.org/mobileapp#faq-question-949250480]. Please contact us during regular business hours for registration information. High intensity interval training on a bike. Discover the cardiovascular benefits and increased calorie burn that come with high intensity interval training adapted for a cycle format. Category Group Exercise Location Spin Studio at Upper Main Line Branch Instructor Ryan Crognale