Sigma BC 23.16 STS vs Sigma ROX 4.0
Comparison 2026 — Bike Computers
VS
Our verdict
Based on our weighted scoring, the Sigma ROX 4.0 edges out the Sigma BC 23.16 STS with an overall score of 76/100 against 64/100. It scores particularly well on features (70/100) and ease of use (80/100), making it the better all-round pick in Bike Computers.
The Sigma BC 23.16 STS remains a sensible alternative if price is your main concern — it lands at €49.99 versus €69.99.
Features winner
Sigma ROX 4.0
20% higher than its rival
Specifications
| Specification | Sigma BC 23.16 STS | Sigma ROX 4.0 |
|---|---|---|
| Price | €49.99+40% | €69.99 |
| Rating | ★4.1 (870) | ★4.2 (1,450) |
| Overall | 64/100 | 76/100+19% |
| Features | ||
| Type | Draadloze fietscomputer | GPS fietscomputer |
| GPS | Nee | GPS, GLONASS, Galileo |
| Functions | 23 (incl. hoogte, temp) | — |
| Navigation | — | Tracknavigatie |
| Display | ||
| Screen | 1.7 inch monochroom | 2.4 inch monochroom+41% |
| Battery | ||
| Battery life | Tot 2 jaar (CR2032) | 25 uur+1150% |
| Properties | ||
| Weight | 26 g+96% | 51 g |
| Waterproof rating | IPX8+14% | IPX7 |
Pros and cons
Sigma BC 23.16 STS
Pros
- Lowest price in this comparison for comprehensive ride data
- 23 functions including altitude, calories and temperature
- Wireless sensor — no cables along the frame
- CR2032 battery lasts up to 2 years
Cons
- No GPS — requires a wheel speed sensor that works with a magnet
- No smartphone pairing or app sync
Sigma ROX 4.0
Pros
- Sharp price for a GPS bike computer with navigation
- 25 hours of battery life — one of the longest in its class
- Pairs with heart rate straps and speed sensors via ANT+/Bluetooth
- Simple three-button operation
Cons
- No map display — only track navigation with arrows
- Black-and-white screen, less clear than color displays