Schwinn IC4 Indoor Cycling Bike
Top PickWhat We Like
- Heavy flywheel keeps a smooth, studio-like stroke
- 100 micro-adjustable magnetic resistance levels
- Pairs with Peloton and Zwift over Bluetooth
- Ten-year frame warranty
Worth Noting
- Hard, thin stock saddle
- Basic console for the price
- Resistance
- 100 magnetic levels
- App Pairing
- Bluetooth with Peloton and Zwift
- Bike Weight
- 112 lb
- Max User Weight
- 330 lb
Read the full review
The first thing we noticed about the IC4 wasn't a feature — it was momentum. At 112 pounds with a heavy flywheel, it keeps the pedals turning through the dead spot at the bottom of the stroke, and the lighter bikes here feel choppier by comparison. That's what earns it the top spot: it behaves like a studio bike rather than a cardio machine with pedals bolted on.
The specifications back that up. There are 100 micro-adjustable magnetic resistance levels, so an instructor's call of '40 to 50' actually means something; the belt drive is quiet enough to ride before anyone else is awake; and the pedals flip to take either clip-in shoes or trainers. Bluetooth pairing with Peloton and Zwift held up the way it should, and the warranty — ten years on the frame, three on parts, one on labor — is the longest in this set.
Two things we minded. The saddle is hard and thin, and the console is the oldest-feeling part of the bike: pairing holds, but you'll do your real reading on the tablet you mount above it. The IC4 is also heavy enough that moving it is a two-person job, so decide which room it lives in before it goes upstairs.
Bottom line: We recommend the IC4 to anyone who wants studio-style riding at home and will pair it with a class app; it's the most convincing spin bike in this set.