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Surface 604 Quad

Model year: 2021 MountainCross-country Electric bicycle
Last known price
$2,599
Fork travel
100 mm
Wheels
27.5″
Drivetrain
1 × 9 38t / 11–36t
Gear range
327%
Battery
672 Wh
Weight
26.03 kg 57.4 lb · Reference configuration not specified
Frame
Aluminum
Brakes
Hydraulic disc
  • 17.5"

The manufacturer did not publish rider heights for these sizes.

Components

9 of 19 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part
  • Frame

    6061 Aluminum Alloy Not identified

Electric system

3 parts
  • Battery

    Weight: 7.7 lbs (3.49 kg) (672wh Battery, 10lb for 960wh Battery), Brand: Samsung 18650 or 21700 (3,500mAh or 5,000mAh Cells), Reention Dorado Casing or Custom Casing, Voltage: 48 volts, Amp Hours: 14 ah (Optional 20ah), Watt Hours: 672 wh (Optional 960wh), Chemistry: Lithium-ion Not identified

  • Display

    Surface 604 Branded, Fixed, Adjustable Angle, 3.5" Color, Backlit LCD, USB Type A Charging Port Not identified

  • Motor

Sizes and geometry

1 size

Size explorer

Rider-height ranges are not published for these sizes.

Size

Geometry not published

The manufacturer lists these sizes without frame measurements, so there is no drawing or geometry table.

Specifications

Frame and fork

Intended fit
  • Unisex
Frame material
  • Aluminum
Fork material
  • Steel
Bicycle weight
  • 26.03 kg
  • 57.4 lb

Suspension

Suspension configuration
  • Hardtail
Front travel
  • 100 mm

Drivetrain

Derived by Bikelake
Front chainrings
  • 1
Smallest chainring
  • 38
Largest chainring
  • 38
Rear sprockets
  • 9
Smallest sprocket
  • 11
Largest sprocket
  • 36
Lowest gear
  • 29.0 in
Highest gear
  • 95.0 in

Technical analysis

4 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Front travel

100 mm

This value is within the central range for this class.

Cohort
Mountain / Cross-country Model year: 2021
Sample
1,256 bicycles with this information
Coverage
91.6% of the class

Lowest gear

29.0 gear inches

This value is above the central range for this class.

Cohort
Mountain / Cross-country Model year: 2021
Sample
1,101 bicycles with this information
Coverage
80.3% of the class

Gearing

Estimated speeds at 80 rpm

This bicycle

Lowest gear
11.1 km/h
Highest gear
36.4 km/h

Total gear range 327%

Pedaling rhythm
80rpm
40
60
80
100
120

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