ROCKBROS Bike Rollers Adjustable Bike Trainer Stand Foldable

✔SAFETY & STABILITY: indoor sports safety first, parabolic rollers enhance stability, scientific design makes him safer than straight rollers, choose safer indoor bicycle training rollers. ✔DURABLE & FOLDABLE: High-strength and high-end aluminium alloy roller bicycle trainer, with three aluminium rollers mounted into an adjustable frame to hold bike wheels. Never worry about our quality.This roller trainer is foldable, handy and save space. ✔LIGHT WEIGHT & PORTABLE: 3 folds flat and lightweight ( only 6.5kg/pair ) design ，Save your indoor space, convenient for you to take it anywhere. ✔COMPATIBLE WITH: The front adjustment holes with measuring cylinder can adapt different bicycles wheel,suitable for mountain bike,700c road bike, folding bike size between 16-29". ✔QUALITY ASSURANCE:We are very confident in the quality of our products. We promise that if there is any quality problem, we will provide free return and exchange services. Brand ‎ROCKBROS Material ‎Aluminum Number of settings ‎1 Frame Material ‎Aluminum Wheel Size ‎29 Inches Bike Type ‎Mtb,Mountain Bike,Folding Bike,Road Bike Manufacturer ‎ROCKBROS Item Package Dimensions L x W x H ‎23 x 22.25 x 8.25 inches Package Weight ‎8.17 Kilograms Brand Name ‎ROCKBROS Sport Type ‎Cycling