1. 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"
2. Colour will be sent at random, Always Schrodinger15 for genuine service
3. SEALED BEARING: Bike roller with sealed bearing makes this roller trainer works more smooth
4. PLEASE NOTE THAT THE COLOR MAY BE DIFFERENT THAN THE PICS, WILL BE SENT AT RANDOM. DURABLE and FOLDABLE: High-strength and high-end aluminium alloy roller bicycle trainer, with three aluminium rollers mounted into an adjustable frame to hold bike wheels.
5. Never worry about our quality.This roller trainer is foldable, handy and save space
6. LIGHT WEIGHT and PORTABLE: 3 folds flat and lightweight ( only 6.5kg/paiar ) design for easier storage and carry
7. SAFE: Bike rollers enhance stability and are safer than straight rollers, choosing a safer indoor bike training rollers