Monday, December 3 2018 Concept 2 Bike With a Partner 25-20-15-10-5 Calories You do 25. I do 2, etc. Then GHD Sit Ups 25-20-15-10-5 You do 25, I do 25, etc. Guest UserDecember 2, 2018 Facebook0 Twitter LinkedIn0 Reddit Tumblr 0 Likes