Description
Surface 604 Electric: Shred Electric Mountain Bike - 2021
The new Surface604 Shred electric mountain bike comes fully loaded with every feature needed to make riding effortless, a bestseller at Bike Attack Electric in Santa Monica.
FEATURES
Powerful 500w Motor, 2 Options of Batteries (14ah and 21ah)
The Shred is outfitted with a high-speed Bafang electric mountain bike specific 500 W hub motor with a throttle that is extremely powerful (peaks at 750W).
UP TO 45 MILE BATTERY RANGE IN PEDAL ASSIST MODE - DEPENDING ON MANY VARIABLES, LIKE RIDERS WEIGHT, TERRAIN, LEVEL ASSIST MODE ETC.
285 LBS WEIGHT CAPACITY
KEY TECH SPECS
TEKTRO DORADO HYDRAULIC DISC BRAKES
SRAM X5 9-SPEED DRIVETRAIN
TORQUE SENSOR SYSTEM
LARGE-FIXED-BACKLIT LED SCREEN
POWERFUL AXENDO LED HEADLIGHT
Extra Wide Tires
A major feature that separates the Shred from the pack of other eMTBs on the market, it the CST Patrol 27.5" x 2.6" plus size tires that the bike comes stock with. With a larger rubber patch contacting the ground, the plus size tires add traction and mute small bumps, giving the rider added confidence, superior performance and a more comfortable ride.
SR SUNTOUR XCM SUSPENSION FORK (120MM TRAVEL)
THUMB-PUSH ACTIVATED THROTTLE
KICKSTAND
ADJUSTABLE STEM
Resized Battery
▪ Semi-embedded 440mm battery that now fits all models.
▪ 48V14ah (672wh) battery and option of 21ah battery (+$300)
▪ Down tube - reinforced and extended by 30mm.
▪ Upper tube - restyled and reinforced, then extended by 15mm.
New Lengths
▪ Head tubes come in two lengths 175mm SM and 186mm ML.
▪ Taller riders on ML size bike get more comfortable, upright riding position.
▪ Consistent seat tube size 30.4 for all models.
New Controller
▪ Repositioned to better protect against elements.
▪ Powerful and efficient 12 MOSFET 25AH.
▪ Physical length is down from 180mm to 160mm.
▪ Fits across all models Colt, Rook, Shred and Boar.
▪ Easier-to-access controller for servicing and replacing.
▪ Extended downtube provides more space for wires.
Other Improvements
▪ Custom designed dropout to accommodate TMM style torque sensor.
▪ Large 180mm rotors front/rear to provide better braking and control.
▪ 27.5+ front fork giving more clearance between fork brace and tire to install front fender.
▪ Better plug and play wire management.
▪ Color LCD display with built in micro USB jack.
SPECIFICATIONS
MOTOR
eMTB specific 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
BATTERY
48V 14Ah / 672Wh lithium-ion 18650 cells and 21Ah option
BATTERY RANGE
Up to 45mi (70km) with a 48V14 4Ah battery
BATTERY CHARGE TIME
6 hours for a full charge from empty
DISPLAY TYPE
Large fixed, backlit LCD display
FORK
SR Suntour XCM 120mm, 9mm QR axle
DERAILLEUR
SRAM X5 9-speed
CASSETTE
SRAM 11-36T
SHIFT LEVERS
SRAM X5 trigger shift
BRAKES
Tektro Dorado hydraulic disc, 180mm rotor with motor inhibitors
CRANK SET
Samox 38T front sprocket, 170mm crank arms
BOTTOM BRACKET
Bafang Torque sensor, 73mm
FRAME TYPE
Tapered headtube, custom reinforced battery mounts, internal cable routing, post mount brakes
FRAME MATERIAL
6061 aluminum alloy
STEM
Ergotech 6 adjustable
HEAD SET
Samox tapered with sealed bearings 1 1/8″- 1 1/2″
HANDLEBAR
Promax aluminum, 700mm wide, 6° sweep, 31.8mm clamp diameter
GRIPS
Full length 145mm, black colour, with locking rings
PEDALS
Wellgo platform, with die casting body
CHAIN
KMC 9-speed
SEAT POST DIAMETER
27.2mm
TIRES
27.5″ x 2.6″ CST Patrol
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: 28.5” (730mm)
Medium-Large: 30” (760mm)
NET WEIGHT (INCLUDING BATTERY)
55lbs
WEIGHT CAPACITY
285lbs (130kg)
OPTIONAL UPGRADE FEATURES
SR Suntour NCX suspension seat post, Rear Rack
*Prices, specs and specifications can change at any time without prior notice.
SIZE GUIDE
A rider's height is best determined for size with S/M (17.5" frame) optimal for people 5'2" to 5'7" and M/L (19" Frame) ideal for those 5'8" to 6'6".
SIZE |
FRAME |
RIDER'S HEIGHT |
S/M |
17.5" |
5'2" TO 5'7" |
M/L |
19" |
5'8" TO 6'6" |
Weight capacity for both sizes is 285lbs (130kg)
GEOMETRY
S/M |
M/L |
||
TTH. |
Top Tube Length (mm) |
593 |
620 |
HTA. |
Head Tube Angle (deg) |
70 |
70 |
HTL. |
Head Tube Length (mm) |
145 |
145 |
STA. |
Seat Tube Angle (deg) |
73 |
73 |
STL. |
Seat Tube Length (mm) |
444.5 |
482.6 |
CSL. |
Chainstay Length (mm) |
455 |
455 |
WB. |
Wheelbase (mm) |
1107 |
1134 |
WATCH WHY ELECTRIC BIKE REVIEW LOVES THE SHRED
"The Shred is definitely one of my favorite value products for so far."
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