Saris RollersBy adding Saris Rollers to your training routine, you will increase your balance, control and ability to ride in a perfectly straight line and in turn builds your efficiency, power and technique when out on the open road. Plus, since you must be pedalling 100% of the time to balance your bike and stay upright, you get an amazing workout at the same time.Features:Aluminium roller drums run silent and smoothPrecision-lathed 3.25" Aluminium roller drums won't distort in heat or sunlightFold flat or stand on end for convenient storageDesigned for both indoor and outdoor use16" wide wheel base fits just about any size of bike and allows plenty of room to move aroundRubber foot pads ensure that the only thing moving on the rollers are the drums for a secure, sturdy rideDurable Steel-frame constructionAdjustable belt for right and left dismountResistance Roller uses zero moving parts to deliver quiet magnetic resistanceMaximum wheelbase 113cm (axle to axle)Minimum wheelbase 95.25cm (axle to axle)Buy Saris Training & Nutrition from Chain Reaction Cycles, the World's Largest Online Bike Store.