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2023 Surface 604

Boar Hunter

A 26″ rigid fat e-bike with mid-range components.
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Manufacturer Price

$2,799
Weight7.6 lbs (frame)  
SuspensionRigid
ForkAluminum
Wheels26″ Aluminum
Drivetrain1 × 9
GroupsetX5
MotorBafang 750W hub-drive
Battery672Wh
BrakesTektro Hydraulic Disc
Learn about Surface 604
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

23 mph

Boar Hunter

23 mph

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Highest gear

(descending)

Reviews
Electric Bike Review
Surface 604 Boar Hunter Review - Prices, Specs, Videos, Photos

Feb 2020

Price: $2499.00 | Model Year: 2020 A purpose-built fat tire electric bike designed with hunters and campers in mind. The frame and fork are painted with matte Kryptek camouflage to blend into wilderness environments while nearly all accessory hardware is black. Comes with a sturdy rear rack and front basket system, both capable of supporting pannier bags (up to four in total). Extra large 26

Observations
  • A purpose-built fat tire electric bike designed with hunters and campers in mind. The frame and fork are painted with matte Kryptek camouflage to blend into wilderness environments while nearly all accessory hardware is black. Comes with a sturdy rear rack and front basket system, both capable of supporting pannier bags (up to four in total)

  • Extra large 26" x 4.5" fat tires provide traction and float, lower the PSI to navigate on loamy terrain or soft sand. Powerful fat-bike specific Bafang hub motor offers 80 newton meters of torque and is activated quickly and naturally through a rear-mounted TMM4 torque sensor. You get five levels of pedal assist and trigger throttle with full support at all times... Bike can be unlocked to exceed 20mph for off-road use

  • Available in two frame sizes for improved fit. Optional battery capacity upgrade is only $200, and both packs are cross compatible with all other 2020 Surface 604 models. Optional custom fit 120mm wide steel fenders look great and keep you dry. Large color LCD display is intuitive and the button pad is well thought out, it dims when the headlight is activated. Nice 180mm hydraulic disc brakes and 15mm quick release thru-axle

  • No chain guide, narrow-wide chainring, or slap guard here. Front rack is fork-mounted and impacts steering, could dump over when parking or making sharp turns. Straight 1-1/8" headset is less compatible with aftermarket suspension forks. The bike is fairly heavy and the throttle isn't as powerful as the highest pedal assist level, which surprised me a bit

Read Review

Specs
Build
Fork

Rigid Aluminum Alloy, 150 mm Hub Spacing, 15 mm Thru-Axle with Quick Release

Headset

FSA, Internal Cups, Sealed Cartridge, Straight 1-1/8"

Stem

eMTB Specific Ergotec Bass 31.8mm Clamp Diameter

Handlebar

PROMAX Aluminum Alloy, 670mm Long, 6° Sweep 35mm Rise, 31.8mm Diameter

Saddle

Selle Royal Royalgel Nebula

Seatpost

6061 Aluminum Alloy, Single Bolt Clamp

TypeRigid

Pedals

Wellgo Aluminum Alloy Platform with Reflectors

Grips

Flat Rubber, Black

Groupset
Rear Derailleur

1x9 SRAM X5

Crank

Samox, Q-factor 209 Fat Bike Crankset, Hollow Spindle with 100 mm Sealed Cartridge Bottom Bracket

Shifters

SRAM X5 Triggers on Right

Cassette

12-34 Tooth

Brakes

Tektro Auriga Hydraulic Disc with 180 mm Rotors, 2.34 mm Thick, Dual Piston Calipers, Two-Finger Tektro Auriga Levers with Adjustable Reach

TypeTektro Hydraulic Disc

Wheels
Rims

26"

Electric Components
Motor

Type: Hub, Output: 500, Details: Bafang RMG060.500.DC, Fat Bike Specific, Peaks at 750 Watts, Weight: 8 lbs (3.62 kg)

Battery

Watt Hours: 672 Wh, Details: Samsung 18650 2600 or 3500 mAh, Stock 14 Ah Battery 3.45 kg (7.5 lbs), Optional 20 Ah Battery 4.65 kg (10lbs), Weight: Stock 14 Ah Battery 3.45 kg (7.5 lbs), Optional 20 Ah Battery 4.65 kg (10lbs)

Display

Surface 604 Branded Bafang, Fixed, Backlit, 3.5" Color LCD, USB Type A Charging Port

Accessories
Lights

BÜCHEL LED Headlight Stem-Mounted, Pre-Wired To Connect Rear Brake Light

Racks

Front: Yes, Front Basket with Side Mounts, Rear: Yes, Trunk Bag Platform, Pannier Hanger Bar on Sides, Bungee Loops on Sides

Rider Notes
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First added October 28

Last updated January 27

Not listed for 493 days