In terms of specs, the Saris H3 sits roughly between the more expensive Wahoo Kickr and the more affordable Zwift Hub, and it does so at a price that is competitive, especially when it's on offer (which is common). It offers 2% accuracy, with up to 2,000 watts of interactive resistance from any of the popular apps and can simulate gradients of up to 20%. With a substantial 9kg/20lb flywheel to drive, the Saris H3 also offers excellent inertia with electromagnetic resistance, alongside quiet operation. The legs fold away, and there’s and carry handle so you don’t throw out your back trying to move the 21.3kg unit. It also comes with adaptors to suit most modern bike axles (except mountain bike Super Boost). It doesn't come with a cassette, though, so bear that in mind when buying. It doesn't offer the flexy feet of the Kickr or the Justo though, nor does it offer multiple simulatneous Bluetooth connections or WiFi, which may sway you in favour of the more expensive options. It's still a great option if you want the higher resistance without the added features though.