Sigma GPS Bike Computer with Heart Rate Monitor, 41-Hour Battery, E-Bike Compatible, 30 Functions

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Delivered between Fri, 24.4. and Tue, 5.5.
7 pieces in stock at supplier
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Product details

The Sigma Rox 4.0 Endurance GPS bike computer in white offers 41 hours of battery life and is e-bike compatible. With 30 functions including altitude and speed measurement as well as 1-point navigation, it supports every bike ride. The 2.4-inch display clearly presents data, with IPX7 waterproofing and ANT+BLE connectivity. The set includes a heart rate sensor, mount, and USB-C cable.

Key specifications

Velocomputer functions
Barometric altimeter, Cadence measurement, Calories, Heart rate measurement, Speed measurement
Localisation technology
GLONASS, GPS
Transmission standard
ANT+
Signal transmission
Wireless

General information

Item number
57930056
Manufacturer
Sigma
Category
Bike computers
Manufacturer no.
01069
Release date
22.4.2025

Colour

Colour
White
Exact colour description
White

Bike computer properties

Velocomputer functions
Barometric altimeter, Cadence measurement, Calories, Heart rate measurement, Speed measurement
Durability
Waterproof
Protection type (IP code)
IPX7
Localisation technology
GLONASS, GPS

Display properties

Display size (inches)
2.40"

Interface

Transmission standard
ANT+
PC/Smartphone interface
Bluetooth
Signal transmission
Wireless

Battery properties

Battery life
41 h

Mounting

Installation location
Bike fork, Bike handlebar

Voluntary climate contribution

CO₂ emissions
30.52 kg
Climate contribution
CHF 0.72

Scope of delivery

Scope of delivery
Chest strap, Heart rate sensor, Mounting system, USB-C charging cable

Product dimensions

Length
7.36 cm
Width
4.49 cm
Height
1.84 cm
Weight
51 g

Package dimensions

Length
17.70 cm
Width
11.90 cm
Height
6.20 cm
Weight
266 g

30-day right of return
24 Months Warranty (Bring-in)
1 additional offer

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Bike computers» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Sigma
    Not enough data
  • 1.Cycplus
    0.5 %
  • 2.Garmin
    1.8 %
  • 3.Hammerhead
    1.9 %
  • 4.Wahoo
    2 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Sigma
    Not enough data
  • 1.Sigma Sport
    0 days
  • 2.Wahoo
    3 days
  • 3.Hammerhead
    4 days
  • 4.Garmin
    6 days

Return rate

How often is a product of this brand in the «Bike computers» category returned?

Source: Digitec Galaxus
  • Sigma
    Not enough data
  • 1.Beeline
    1.5 %
  • 2.Coros
    1.8 %
  • 3.Sigma Sport
    2.2 %
  • 4.Bryton
    2.4 %
Source: Digitec Galaxus