# 4iiii Precision 3+: specs and price

**Price (US):** Not published (US MSRP $339.99 USD from the 4iiii US shop "PRECISION 3+ Non-Drive Side Factory Install" page (shop.4iiii.com), which is the price for the power meter installed on a customer-supplied left crank arm. The Ride Ready configuration (pre-installed on a new Shimano crank arm) is listed at $334.99 USD on shop.4iiii.com.), as of 2026-07-13.
**Brand:** 4iiii
**Deskmark:** Platinum Deskmark — pay-blind category standing 95/100, #1 of 8 in class (independent, computed from sourced data, never for sale).

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | Not published |
| Brand | 4iiii |
| Mount type | crank-arm |
| Measurement sides | single-sided |
| Accuracy pct | 1 |
| Weight grams | 9 |
| Battery type | CR2032 |
| Battery life hrs | 800 |
| Connectivity | ANT+/BLE |
| Power balance measured | No |
| Cycling dynamics | Yes |
| Waterproof rating | IPX7 |
| Warranty years | 3 |

## Where it stands

On the spec sheet, its accuracy pct of 1 is the lowest of the 9, its weight grams of 9 is the lowest of the 4, and its battery life hrs of 800 is the highest of the 9.

## Frequently asked questions

**How much does the 4iiii Precision 3+ cost?**

The 4iiii Precision 3+ has no published US price as of 2026-07-13.

**What are the 4iiii Precision 3+'s key specs?**

4iiii Precision 3+ (4iiii): mountType crank-arm, measurementSides single-sided, accuracyPct 1, weightGrams 9, batteryType CR2032. Full sourced spec sheet verified 2026-07-13.

Source: https://4iiii.com/precision-3-plus/ (4iiii.com, accessed 2026-07-13)
Corroboration: https://shop.4iiii.com/products/left-side-precision-3-plus-powermeter-factory-install (accessed 2026-07-13)
Canonical: https://frontdeskreview.com/product/cycling-power-meters/4iiii-precision-3-plus/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl