Experience a new level of quiet, stable, and realistic indoor riding with the Saris H3 Smart Indoor Bike Trainer. Designed for dedicated cyclists, its direct-drive system eliminates wheel-on noise and slippage, operating at just 59 dB at 20 mph — quieter than a normal conversation. The heavy precision-balanced flywheel provides smooth resistance transitions, while built-in sensors measure power, speed, and cadence with ±2% accuracy, giving you reliable data for every ride.This smart bike trainer supports up to 2,000 W of resistance and simulates gradients up to 20%, perfect for interval training or mountain climbs from the comfort of home. Compatible with 8–12 speed drivetrains, it mounts easily via quick-release or thru‑axle setups. Integrated ANT+ FE‑C and Bluetooth FTMS connectivity allow instant pairing with Zwift, Rouvy, TrainerRoad, and other smart trainer cycling apps — no extra sensors required. Foldable legs, adjustable leveling feet, and a built‑in carrying handle make it portable and easy to store, while the included front wheel block ensures a stable and natural riding position. Whether you’re chasing fitness goals or replicating outdoor routes indoors, the H3 offers a quiet, smooth, and engaging ride every time.
Ultra-Quiet: The Saris H3 runs at just 59 dB at 20 mph—5× quieter for a distraction-free ride.
Precision Training Data: Get accurate power feedback with ±2% precision for consistent performance.
Seamless Connectivity: Effortlessly connect to cycling apps via ANT+ FE-C & Bluetooth FTMS.
Versatile Compatibility: Fits bikes with thru-axle & quick-release hubs, supports Shimano/SRAM 8-11 speed.
Durable Construction: Built for tough workouts with folding legs, a handle, and a cooling system.