ROCKBROS Adjustable Bike Trainer Stand - Foldable Indoor Cycling Rollers with Resistance for MTB & Road Bikes | Perfect for Home Workouts & Winter Training

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SAFE: Parabolic rollers enhance stability and are safer than straight rollers, choosing a safer indoor bike 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

SEALED BEARING: Bike roller with sealed bearing makes this roller trainer works more smooth

LIGHT WEIGHT & PORTABLE: 3 folds flat and lightweight ( only 6.5kg/pair ) design for easier storage and carry

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"