Bike Trainer Rollers Silent Indoor Fitness Cycling Roller Bike Training Exercise Tools

Specification:MaterialAluminum Alloy + ABS Engineering PlasticSuitable forFor 18-29 Inch mountain bikes, road bikes, folding scooters and other modelsFolding Size53 x 51 x 18 cm/20.87 x 20 x 7.08inchLoad-bearing150kgFeatures:Foldable design, easy to carry.Installation free design, saving storage space.Aluminum alloy+ABS material, stronger and durable.Use quiet riding platform, do not affect family rest.The effective width of roller is 41cm, and the widening design.Adjustable front wheel bracket design(5 Gear), suitable for more models.Symmetrical conical bearing, reduce tire wear, more real riding feeling.The folding joint is reinforced with outer rubber and inner metal gasket, which is durable.PC plastic steel belt, good friction, high quality PU 4mm drive belt, high toughness and strength.The new reinforced design, the front bracket reinforced 8 support points on the ground, stable, high-speed 80 yards does not drift.All aluminum drum 2.5mm thick, 150kg single drum load-bearing force, domestic 3C certified industrial grade, high-speed silent bearing, safe and silent use.The rectangular bridge design, with 8 supporting points bearing evenly, makes riding more stable and effectively reduces the vibration generated during riding.Package Included:1 x Bike Roller Platform1 x Drive Belt1 x Set Of InstallationDebugging ToolsNotes:1.Manual measuring, please allow 1 ~ 3 cm error,thank you.2.Due to the difference between different monitors, the picture may not reflect the actual co