Exercise Ball Poster - Total Body Workout - Your Personal Trainer Fitness Program for Women - Swiss, Yoga, Balance & Stability Ball Home Gym Poster - Tone Your Core, Abs, Legs Gluts & Upper Body - Motivational Work Out Improves Your Training Routine - 20"x30"
Bike Maths. N+1+X squared = :) The correct number of bikes to own is N+1 (where n is the number currently owned) + X squared (where X is the number of corresponding equipment & gear needed to use each bike). The minimum number of bikes one should own is 3. On a tee shirt soon! :)