seat and handlebar adjustments http://www.rei.com/learn/expert-advice/bike-fit.html http://www.rei.com/learn/expert-advice/bike-fit.html REI REI Bike Sizing & Fit Guide REI Bike Sizing & Fit Guide REI: Fitting Your Bike http://www.rei.com/learn/expert-advice/bike-fit.html REI video REI Bike Sizing & Fit Guide