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ROOK SURFACE 604

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The ROOK 604 electric bike offers some truly incredible value at a reasonable price point, for an enticing e-mtb package that is ready to quite literally hit the trails .

$2,399.00$2,699.00

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Description

LONG RANGE BATTERY

ROOK high capacity 48V 10.4Ah Samsung lithium-ion battery provides maximum range.
ROOK can handle heavy loads and travel up to 35 miles on a single charge.
Back and front rack weigh capacity is up to 50lbs.
As an added bonus the battery also features a USB plug for charging mobile device on the go.
Upgrade to 48V14Ah battery is available.

POWERFUL 500W MOTOR

The ROOK comes equipped with a 500W hub motorboar
that is extremely powerful (peaks at 750W).

With a torque sensor and throttle on demand,
the ROOK is well suited to carry heavy loads and is often referred to as the pickup truck of bikes.

Geared for performance – we paired all that power
with an industry-leading 12mosfet 25A controller, so
ROOK unmatched torque and speed.

Watch out for other riders as you zip pass them.

WHISPER SMOOTH TORQUE SENSING PEDAL ASSIST

Because an electric bike is only as good as it’s power distribution.

Precision torque sensing performance at 104 cadence pulses per revolution; 1,000 torque samples per second.

ROOK’s incredibly smooth torque sensor knows how hard
you’re pedalling down to the microsecond and matches it with proportionate power.

Custom drop out design delivers whisper smooth torque
sensor sensation at any assist level.

In fact, you’ll swear it’s as smooth as a mid-drive motor.

Gone are the days of simple cadence sensors!

REDESIGNED COCKPIT

Now with an extra-large colour LCD display to show, all vital information and give added security.

Set a passcode and the bike won’t start without it, just like your phone.

LOADED WITH EXTRA FEATURES

The ROOK comes with standard features added to make the riding experience more comfortable:

  • COLOR LCD DISPLAY WITH MACRO USB JACK
  • THUMB-PUSH ACTIVATED THROTTLE
  • ADJUSTABLE SATORY UP2+ STEM
  • SELLE ROYAL GEL SEAT
  • ERGONOMIC KICKSTAND
  • SR SUNTOUR XCT SUSPENSION FORK (80 MM TRAVEL)
  • FRONT & REAR LED LIGHT
  • NEBULA SELLE ROYAL GEL SEAT
  • QUICK RELEASE FRONT WHEEL
  • SAMOX CRANK SET BOTTOM BRACKET
  • TAPERED HEADTUBE
  • SHIMANO ALIVIO GROUP SET 9 SPEED
  • HEAVY DUTY EXTENDED RACK TO FIT PANNIER BAGS

KEY TECH SPECS

SR SUNTOUR XCT SUSPENSION FORK

26″ X 2.1″ KENDS KRANIUM
TEKTRO DORADO HYDRAULIC DISC BRAKES
WITH 180 MM THICK ROTORS
SHIMANO ALIVIO 9-SPEED DRIVETRAIN
SELLE ROYALE ERGONOMIC GEL SADDLE
LARGE FIXED-COLOR LED DISPLAY WITH MICRO USB JACK
POWERFUL AXENDO LED HEADLIGHT

 

BICYCLE DETAILS

MOTOR – High torque 500W (peaks at 750W) Bafang geared hub motor
DRIVE MODE -Torque sensing pedal assist with a throttle
TORQUE– 65Nm
THROTTLE –Thumb push activated throttle
CONTROLLER -12 Mos 48V 500W 25A
TOP SPEED – 20mph (32km/h)
BATTERY – Included: 48V 10.4Ah / 499Wh Samsung lithium-ion 18650 cells
Upgrade option: 48V 14Ah / 672Wh Samsung lithium-ion 18650 cells
BATTERY RANGE – Up to 35mi (56km) with a 48V10.4Ah battery
Up to 45mi (70km) with a 48V14 4Ah battery
BATTERY CHARGE TIME – 3-6 hours for a full charge from empty
DISPLAY TYPE – Surface 604 Color LCD display with micro USB jack
FORK – SR Suntour XCM 100mm, 9mm QR axle
DERAILLEUR – Shimano Alivio 9-speed
CASSETTE – Shimano 9 speed, 12-34T
SHIFT LEVERS – Shimano Alivio trigger shift with easy-to-read optical gear display
BRAKES – Tektro Auriga hydraulic disc, post mount, 180mm rotor with motor inhibitors
CRANK SET – Samox 42T front sprocket
BOTTOM BRACKET – Samox Sealed Bottom Bracket
FRAME TYPE – Tapered headtube, custom reinforced battery mounts,
internal cable routing, post mount brakes
FRAME MATERIAL – 6061 aluminum alloy
STEM – Satori UP2+ adjustable
HANDLEBAR – Promax aluminum, 620mm wide, 6° sweep,
20mm rise, 31.8mm clamp diameter
GRIPS – Leather like grip
PEDALS – Wellgo platform
CHAIN – KMC 9-speed
SEAT POST DIAMETER – 30.4mm
TIRES – 26″ x 2.1″ Kenda Kranium
RIMS – Aluminum Alloy Double Wall Rim, 27.5″x13Gx36H
FRONT HUBS – 1-piece forged CNC with 2 sealed bearings, Cro-Mo axle and Alloy QR
KICKSTAND – Heavy duty aluminum
STANDOVER HEIGHT – Small-Medium: 26” (662mm)
Medium-Large: 26.4” (671mm)
NET WEIGHT (INCLUDING BATTERY) – 55lbs
WEIGHT CAPACITY – 285lbs
BUILT-IN FEATURES – Chain guard, rear rack, fenders (front and rear), LED lights (front and rear), Bell
OPTIONAL UPGRADE FEATURES – SR Suntour NCX Suspension Seat Post, 14ah Battery

*Some assembly required

Additional information

frame-size

M/L 19.5" FRAME (Riders 5'8" – 6'8"), S/M 17.5" FRAME (Riders 5'2" – 5'7")

Battery Size

48V 10AH (STOCK), 48v 14AH, 48V 14AH (Extend Range + $200), 48V 14AH (Extend Range + $300, 48v 20AH

Colors

Black, White

1 review for ROOK SURFACE 604

  1. admin

    Winner, Best Affordable Electric Bike for 2018/2019/2020/2021
    EBR (ElectricBikeReview.com) is the most trusted source for electric bike reviews. Every year, EBR names a select few ebikes for their “Editor’s Choice for Best Electric Bikes”.

    My favorite upgrade for the Rook and Colt models is headlight placement! Not only does S604 use a high-quality light with side windows, making it visible from more angles, but they’ve also placed it up high on the stem vs. down on the suspension fork arch where it used to be. The rear light is also very good because it uses two LEDs, and flashes when the brakes are actuated.
    I appreciate the adjustable spring suspension fork here, offering lockout and preload to support different loads. Surface 604 specced a taller 27.5″ tire that lowers the attack angle for comfort, and they use 2.4″ width for improved stability and vibration dampening. When you combine the fork with the tires and add in the name brand Selle Royal saddle, you end up with a very comfortable hybrid bike.
    The handlebar has been refined a bit since the last generation and now sweeps back more. This pairs nicely with the adjustable-angle stem, which is quite long. I feel like these bikes fit a very wide range of people because of the two sizes, adjustable stem, and the new handlebar. They’re almost setup as a blend of city and cruiser, which I like.
    The bikes look beautiful, and all of the support hardware matches. Notice the black hubs, spokes, rims, and posts. It’s neat that the Rook comes in two color schemes (light and dark). I also appreciate how the wires and power cables are mostly hidden because they are internally routed through the frame.
    This sense of control and response is above average here, because the bike uses a torque sensor vs. cadence. The downside is that it can be more sensitive to work on and occasionally activate due to chain bounce and not pedaling. It also requires a bit pedal effort to activate, but this improves range and feels more natural.
    I love the large color LCD display panel used here! The 3.5″ color LCD screen is positioned high, so it’s easy to read, and includes brightness adjustability in the settings menu (hold + and – to access this menu). They set it up to stay bright even when the lights are activated, since many people like to ride with lights on during the day for added safety. I love that there’s a precise battery percentage readout, that the display has a full sized USB type A port at the base, and that you can adjust how many levels of assist are offered (0-3, 5, or 9) and even adjust top speed.
    I appreciate the kickstand choice here, because it offers adjustable length. It’s mounted using a standard 40mm bolt spacing, which makes it easy to replace. They positioned it far enough back that it won’t cause pedal lock when backing the bike up, and it should support a loaded rear rack well.
    I appreciate that Surface 604 has a higher weight rating for these ebikes at 300lbs + 50lbs on the rear rack! That means heavier riders can enjoy the bikes and still feel safe. Part of what makes this possible is the thicker 13 gauge spokes and 36 spoke setup here vs. 32 or 28 on some other electric bikes.
    The step-thru Rook frame is very approachable, but still stiff and sturdy feeling. Sometimes I’ll test a step-thru that has a flexing frame, other times the double tube frame has a high standover because of how the battery mounts. I feel like Surface 604 found a sweet spot between stiffness and battery access… and I appreciate that they added bottle cage bosses below the downtube in case you want to mount a folding lock, mini pump, or water bottle (even though it wouldn’t be that easy to reach).
    Given the larger heavier wheel and tire combination here, I was impressed by the motor power and torque. Surface 604 reps told me that the motor can produce up to 45 newton meters of torque and peak out well above 500 watts. My experience riding was quite satisfying, and I think part of this has to do with the torque sensor. Keep in mind that I’m 5’9″ tall and weigh about 135lbs (61kg).
    This ebike has powerful hydraulic disc brakes with large 180mm rotors. This provides a strong mechanical advantage and cooling benefits. Both brake levers also send a signal to cut motor power, for added safety and efficiency. I appreciate that the brake levers offer adjustable reach to work well with different sized hands as well, it’s an added bonus given the two frame size options.
    This ebike is a hybrid, meaning that it blends city and mountain components. You can see that with the suspension fork, hydraulic disc brakes, and hollow spindle. The larger aluminum pedals gave me a sense of confidence when pedaling and standing while riding off curbs.
    I love that the company offers two battery pack sizes! The standard 672 watt hour is already above average, in terms of capacity. If you want to go even higher, the 960 watt hour pack is a great option and only adds a few pounds. Both packs also have USB ports built into the right side, so you can use them as spare power banks when off the bike!
    My understanding is that many of the Surface 604 bikes now use the same Reention Dorado battery interface, so the pack can be shared between friends or family members! This is a more open battery standard, which means you can have the batteries repacked or purchase them from generic suppliers someday if S604 changes their design or stops selling them.
    This is a little thing, but I like how the suspension forks match the frame colors. They chose a black one for the dark gray color scheme and a white one for the light color scheme :).
    In addition to the full length fenders, this ebike also comes with a plastic chain cover to keep your right pant leg or dress end from getting greasy and snagged on the chain and chainring. The cover has a reflective section as well, which adds to the visual footprint created by the reflective tires and side-visible lights.
    Surface 604 has some cool optional accessories including a sturdy Ergotec handlebar mirror for spotting traffic, a suspension seat post from SR Suntour, and some saddle bag panniers that are guaranteed to fit the bike. I’m a big fan of the comfortable suspension seat post, and it’s nice to know that it’s guaranteed to fit if you buy from them.
    There’s an emphasis on ease of use and modular repairs with these ebikes. For example, the controller uses standard XT60 connectors and is much easier to reach for diagnostics and repairs than some of the older ones. Notice the quick disconnect for the motor, headlight, display, brake motor inhibitors, and trigger throttle. The controller produces 25 amps of power output, which creates a zippy powerful feel. Many cheaper ebikes use 18 amp controllers.
    The company has been around since 2013 and earned my trust. I feel like they produce a quality product and offer good support. I try to communicate this whenever I have covered multiple generations of products.

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