The Saris Mag Trainer features a 5-position adjustment that makes it easy to vary workouts. Simply attach the handlebar-mounted shifter to change resistance during your workout without having to leave your bike.

• Magnetic resistance unit provides a quiet and frictionless ride
• Linear resistance boosts workout intensity to match each pedal stroke and gear click
• Noise level at 20 mph is 70-74 decibels
• Compatible with quick release hubs; 120mm, 130mm and 135mm. Optional thru-axle adapter available for 142x12mm and 148x12mm
• Roller allows for 650b, 700c, 26", 27" and 29" wheel sizes – up to a 2.0 tire