The Saris Mag+ Trainer is a wheel-on indoor bike trainer that converts your bike into a quiet, frictionless workout machine. Its adjustable magnetic resistance and handlebar-mounted remote let you fine-tune intensity without dismounting, while compatibility with speed sensors enables use with popular virtual-ride apps.

• Magnetic resistance unit delivers a smooth, virtually silent ride

• Linear resistance curve increases workout intensity with each pedal stroke and gear click

• Five resistance levels adjustable via included handlebar-mounted remote shifter

• Wheel-on design requires no bike disassembly—clutch-style knob clicks to ensure correct roller-to-tire tension

• Foldable classic V-frame with spring-loaded, bolt-action lever for quick setup and storage

• Precision-machined alloy resistance roller minimizes tire wear and slippage

• External self-cooling fan maintains performance during long sessions

• Leveling feet adjust to uneven surfaces for stable training

• Fits 26", 27.5", 29", and 700C wheels (20"–24" with optional adapter) and supports up to 300 lb (rider + bike)

• Compatible with Zwift, Rouvy, and other apps when paired with a separate speed or cadence sensor