# Sigma ROX 12.1 Evo vs Lezyne Mega XL: specs and price compared

A sourced, side-by-side comparison of the Sigma ROX 12.1 Evo (Sigma) and Lezyne Mega XL (Lezyne) among bike computers. Lezyne Mega XL is the cheaper of the two at $199.99.

## Side by side

| Spec | Sigma ROX 12.1 Evo | Lezyne Mega XL |
| --- | --- | --- |
| US price | $379.95 | $199.99 |
| Brand | Sigma | Lezyne |
| Released | 2023-06 | 2018 |
| Display size (in) | 3.0 in | 2.7 in |
| Touchscreen | Yes | No |
| Battery life hours | 14 | 48 |
| Preloaded maps | Yes | Yes |
| Multiband gnss | No | No |
| Connectivity | ANT+, Bluetooth, Wi-Fi | ANT+, Bluetooth |
| Weight (g) | 112 | 83 |

## Key differences

- Display size (in): Sigma ROX 12.1 Evo 3.0 in vs Lezyne Mega XL 2.7 in
- Touchscreen: Sigma ROX 12.1 Evo Yes vs Lezyne Mega XL No
- Battery life hours: Sigma ROX 12.1 Evo 14 vs Lezyne Mega XL 48
- Connectivity: Sigma ROX 12.1 Evo ANT+, Bluetooth, Wi-Fi vs Lezyne Mega XL ANT+, Bluetooth
- Weight (g): Sigma ROX 12.1 Evo 112 vs Lezyne Mega XL 83

## What reviewers say

**Sigma ROX 12.1 Evo** — Only one whitelisted tester (BikeRadar) published a hands-on review of this exact model. BikeRadar rated it 2/5, praising easy route-following and rich training data but panning meagre battery life (10h with a heart rate monitor only; 4.5h navigating with sensors), a rain-triggered touchscreen, cheap build and an uncompetitive £379.95 price. (1 sourced review.)

**Lezyne Mega XL** — Only one whitelisted tester references the Mega-XL: DC Rainmaker, and only inside his 2021 bike-GPS buyer's guide, not a dedicated lab review. He names it a top budget pick for on-device mapping and turn-by-turn navigation, but flags Lezyne's app and ecosystem polish as trailing Garmin. No measured data. Fuller hands-on reviews fell outside the whitelist or were unreachable. (1 sourced review.)

## Sources

- Sigma ROX 12.1 Evo: https://sigma.bike/product/rox-12-1-evo/ (sigma.bike, verified 2026-06-19)
- Lezyne Mega XL: https://ride.lezyne.com/products/mega-xl-gps (ride.lezyne.com, verified 2026-06-19)

Canonical: https://frontdeskreview.com/gear/bike-computers/sigma-rox-12-1-evo-vs-lezyne-mega-xl/
Cite: Per The Front Desk Review, Sigma ROX 12.1 Evo ($379.95) vs Lezyne Mega XL ($199.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/bike-computers/sigma-rox-12-1-evo-vs-lezyne-mega-xl/
License: CC BY 4.0.