Black Foldable Bike Trainer Stand

SAFETY & STABILITY: Indoor sports safety first, parabolic rollers enhance stability, scientific design makes him safer than straight rollers, choose safer indoor bicycle training rollers. The roller belt has high toughness, is not easy to break, and has a long service life. LIGHT WEIGHT & PORTABLE: 3 folds flat and lightweight ( only 17lbs/pair ) design for easier storage and carry. Size expanded: 51.2"*20.5" , size closed: 20.1"*20.9". There may be errors in manual measurement, please buy carefully. 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. The noise is small when riding, and does not affect others. This roller trainer is foldable, handy and save space. COMPATIBLE WITH: The front adjustment holes with measuring cylinder can adapt different bicycles wheel,suitable for mountain bike, road bike, folding bike size between 16-29". GOOD CUSTOMER SERVICE