# Schwinn IC4 Indoor Cycling Bike vs Keiser M3i Indoor Bike: specs and price compared

A sourced, side-by-side comparison of the Schwinn IC4 Indoor Cycling Bike (Schwinn) and Keiser M3i Indoor Bike (Keiser) among exercise bikes. Schwinn IC4 Indoor Cycling Bike is the cheaper of the two at $899.

## Side by side

| Spec | Schwinn IC4 Indoor Cycling Bike | Keiser M3i Indoor Bike |
| --- | --- | --- |
| US price | $899 | $2985 |
| Brand | Schwinn | Keiser |
| Released | 2020 | 2019 |
| Bike type | indoor | indoor |
| Resistance type | magnetic | eddy current magnetic (non-contact) |
| Resistance levels | 100 | 24 |
| Touchscreen (in) | — | — |
| Flywheel (lb) | 40 | 8 |
| Max user weight (lb) | 330 | 350 |
| Subscription required | No | No |

## Key differences

- Resistance type: Schwinn IC4 Indoor Cycling Bike magnetic vs Keiser M3i Indoor Bike eddy current magnetic (non-contact)
- Resistance levels: Schwinn IC4 Indoor Cycling Bike 100 vs Keiser M3i Indoor Bike 24
- Flywheel (lb): Schwinn IC4 Indoor Cycling Bike 40 vs Keiser M3i Indoor Bike 8
- Max user weight (lb): Schwinn IC4 Indoor Cycling Bike 330 vs Keiser M3i Indoor Bike 350

## What reviewers say

**Schwinn IC4 Indoor Cycling Bike** — Two whitelisted hands-on reviewers covered this exact model - Garage Gym Reviews (GGR score 4.5) and BarBend. Both praise the sturdy, non-wobbling build, Peloton/Zwift app compatibility, and sub-$1,000 value as a Peloton alternative. Both flag the small, bare-bones LCD. GGR additionally reports inaccurate, laggy console metrics (worse on Android); BarBend notes few tech features (no touchscreen, fans, or speakers). Neither outlet published measured numbers, so the flywheel, resistance-level, and weight-capacity figures are manufacturer-stated, not lab-verified. (2 sourced reviews.)

**Keiser M3i Indoor Bike** — Only one whitelisted source, Garage Gym Reviews, published usable prose for the exact Keiser M3i; Wirecutter, TechGearLab, Reviewed and Tom's Guide had no M3i review. GGR calls it a durable, extremely smooth, time-tested studio-grade bike it deems worth its $2,000-plus price, while flagging a primitive, small display and the lack of a built-in screen. (1 sourced review.)

## Sources

- Schwinn IC4 Indoor Cycling Bike: https://www.schwinnfitness.com/products/schwinn-ic4-indoor-cycling-bike (schwinnfitness.com, verified 2026-06-15)
- Keiser M3i Indoor Bike: https://www.keiser.com/shop/cardio-equipment/m3i-indoor-bike (keiser.com, verified 2026-06-15)

Canonical: https://frontdeskreview.com/gear/exercise-bikes/schwinn-ic4-vs-keiser-m3i/
Cite: Per The Front Desk Review, Schwinn IC4 Indoor Cycling Bike ($899) vs Keiser M3i Indoor Bike ($2985) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/exercise-bikes/schwinn-ic4-vs-keiser-m3i/
License: CC BY 4.0.