4LEAF / eMTB / Ultra-Light Trail

CEF50 Ultra-Light M820 eMTB

Lightweight carbon eMTB with BASE, PLUS and FOX suspension builds, Bafang M820 power and an 835Wh battery.

$3,490.00 $4,760.00
Save $1,270.00
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Build
Size
Color
Matt Black
Motor
Bafang M820 250W
Battery
48V 17.4Ah / 835Wh
Upgrade options
Estimated total $3,490.00
Payment: PayPal, Bank transfer

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CEF50 Lightweight Bafang M820 e... $3,490.00
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CEF50 Lightweight Bafang M820 eMTB | Carbon Frame | Ultra-Light Electric Mountain Bike

Build specifications

Compare BASE, PLUS and FOX clearly.

Best entry price

BASE Specification

The carbon CEF50 and Bafang M820 platform with a practical 150mm suspension package and the full 835Wh battery.

Core difference: 150mm RockShox Psylo, RST Blade or Suntour Zeron fork with a DNM AO-38RC rear shock.

Price
US$3,490
Frame
TORAY T700/T800 carbon, internal/external routing, post mount disc brake, 148 x 12 thru axle
Fork
RockShox Psylo, RST Blade or Suntour Zeron, 150mm travel
Rear shock
DNM AO-38RC, 210 x 55mm
Headset
1 1/8" - 1 1/2"
Dropper post
EXA 900i, 31.6mm, 125/150mm travel
Motor
Bafang M820, 250W, 48V
Display
Bafang DCP 245 for S/L/XL; DCP 030 integrated display for M
Sensor
Torque sensor
Battery
LG/Samsung cells, 48V 17.4Ah, 835Wh
Throttle
Not included
Rear derailleur
Shimano CUES U6000
Cassette
Shimano U6000, 11-51T, 11-speed
Shifter
Shimano CUES U6000
Crankset
Prowheel or Bafang, 170mm, 36T
Brakes
SRAM G2 R, 4-piston
Rotors
SRAM Centerline, 203mm
Chain
KMC 11-speed, 136 links
Wheels
29 / 27.5 alloy mullet setup with M-tech hubs
Tires
Schwalbe Nobby Nic, 29 x 2.6 / 27.5 x 2.8, tubeless ready
Handlebar
Aluminum riser, 780mm
Saddle
PU leather, gel and high-density foam
Pedals
Fiber-reinforced nylon
Weight
About 23kg
Balanced performance

PLUS Specification

The same carbon frame, M820 motor, 835Wh battery and drivetrain upgraded with a stronger RockShox suspension package.

Core difference: Choose a RockShox ZEB 180mm or Domain Gold fork with a RockShox Deluxe Select rear shock.

Price
US$3,890
Frame
TORAY T700/T800 carbon, internal/external routing, post mount disc brake, 148 x 12 thru axle
Fork
RockShox ZEB 180mm or Domain Gold
Rear shock
RockShox Deluxe Select, 210 x 55mm
Headset
1 1/8" - 1 1/2"
Dropper post
EXA 900i, 31.6mm, 125/150mm travel
Motor
Bafang M820, 250W, 48V
Display
Bafang DCP 245 for S/L/XL; DCP 030 integrated display for M
Sensor
Torque sensor
Battery
LG/Samsung cells, 48V 17.4Ah, 835Wh
Throttle
Not included
Rear derailleur
Shimano CUES U6000
Cassette
Shimano U6000, 11-51T, 11-speed
Shifter
Shimano CUES U6000
Crankset
Prowheel or Bafang, 170mm, 36T
Brakes
SRAM G2 R, 4-piston
Rotors
SRAM Centerline, 203mm
Chain
KMC 11-speed, 136 links
Wheels
29 / 27.5 alloy mullet setup with M-tech hubs
Tires
Schwalbe Nobby Nic, 29 x 2.6 / 27.5 x 2.8, tubeless ready
Handlebar
Aluminum riser, 780mm
Saddle
PU leather, gel and high-density foam
Pedals
Fiber-reinforced nylon
Weight
About 23kg
Premium suspension

FOX Specification

The same CEF50 carbon, M820 and 835Wh platform with the premium FOX suspension path for greater support and control.

Core difference: FOX 38 180mm fork with a FOX DPS or Float X Factory rear shock.

Price
US$5,099
Frame
TORAY T700/T800 carbon, internal/external routing, post mount disc brake, 148 x 12 thru axle
Fork
FOX 38, 180mm travel
Rear shock
FOX DPS or Float X Factory, 210 x 55mm
Headset
1 1/8" - 1 1/2"
Dropper post
EXA 900i, 31.6mm, 125/150mm travel
Motor
Bafang M820, 250W, 48V
Display
Bafang DCP 245 for S/L/XL; DCP 030 integrated display for M
Sensor
Torque sensor
Battery
LG/Samsung cells, 48V 17.4Ah, 835Wh
Throttle
Not included
Rear derailleur
Shimano CUES U6000
Cassette
Shimano U6000, 11-51T, 11-speed
Shifter
Shimano CUES U6000
Crankset
Prowheel or Bafang, 170mm, 36T
Brakes
SRAM G2 R, 4-piston
Rotors
SRAM Centerline, 203mm
Chain
KMC 11-speed, 136 links
Wheels
29 / 27.5 alloy mullet setup with M-tech hubs
Tires
Schwalbe Nobby Nic, 29 x 2.6 / 27.5 x 2.8, tubeless ready
Handlebar
Aluminum riser, 780mm
Saddle
PU leather, gel and high-density foam
Pedals
Fiber-reinforced nylon
Weight
About 23kg

4LEAF CEF50-Geometry

Open the frame diagram for a closer view, then compare every measurement and recommended rider height below.

Measurement 16" (S) 17.5" (M) 19" (L) 21" (XL)
Seat tube 380 410 440 470
Top tube 577 605 630 655
Chainstay length 450 450 450 450
Head angle 64.5 deg 64.5 deg 64.5 deg 64.5 deg
Seat angle 76.9 deg 76.8 deg 76.8 deg 76.8 deg
Bottom bracket 20 20 20 20
Head tube 105 115 125 135
Fork offset 42 42 42 42
Reach 435 460 483 505
Stack 610 619 628 637
Front center 773 803 830 856
Seatpost diameter 31.6 31.6 31.6 31.6
Wheelbase 1222 1252 1279 1305
Recommended height 155-165cm 165-176cm 177-188cm 188-195cm