Saris (United States) - 12 speed compatible, 1% accuracy, made in America's heartland.

The most powerful and accurate Saris direct drive trainer to date, the H4 sets a new trainer standard with industry leading high-inertia ride feel, and all-new 1% power accuracy. Experience the world’s most challenging climbs from the comfort of your home with 25% simulated incline grade and be ready to put the hammer down on high-octane sprints up to 2,300 watts. The H4 continues Saris’ legacy of exceptional quality and durability with an enhanced cast aluminum housing made in America’s heartland, best-in-class lifetime frame warranty and full two-year parts warranty*.

*Exceptions to two-year parts warranty include fit and finish and power cord.

Features:

• 12 Speed Cassette Compatibility
• +/- 1% Power Accuracy
• 2,300 Watts
• 25% Simulated Incline
• Improved Cadence
• 20 lb. precision balanced flywheel
• Quiet direct drive design
• Internal speed, cadence, and power measurements
• Dual ANT+ FE-C and Bluetooth FTMS connections

Specs:

Bike Compatibility:

• Thru-axle compatible for rear hub widths of 142 mm and 148 mm
• Quick-release compatible for rear hub widths of 130 mm and 135 mm
• Compatible with Shimano/SRAM 8-12 speed road and gravel cassettes up to 36T
• XD/XDR freehubs sold separately
• Microspline freehub sold separately