SDREAM Ur 500X <br>Folding Commuter Electric Bike
Foldable SDREAM Ur 500X E-bike
SDREAM Ur 500X <br>Folding Commuter Electric Bike
SDREAM Ur 500X <br>Folding Commuter Electric Bike
SDREAM Ur 500X Pedals
SDREAM Ur 500X E-bike Battery
SDREAM Ur 500X Battery
SDREAM Ur 500X Wheel
SDREAM Ur 500X Frontlight
SDREAM Ur 500X <br>Folding Commuter Electric Bike

Folding Commuter Electric Bike

Regular price $1,199.00 Sale price $1,099.00 Save $100.00

Beat the traffic and explore the urban jungle with the SDREAM Ur, our lightest bike designed to fit any lifestyle. A commuter’s dream, the Ur features a smooth folding mechanism that allows seamless transitions between riding and walking while the unique vibration-damping suspension helps it ride like a bigger bike, lowering fatigue and letting you take full advantage of the class-leading range and instant electric torque.

Overall length: 58.6 inches (149 cm)
Size (folded):  27.6×15×30.3 inches (90×38×77 cm)
Bike weight: 46.5 lb (21.1 kg), including battery
Maximum rider weight: 220 lb (100 kg)

Motor & Battery

Motor: 36V 500W rear hub motor
Battery: 36V/7.8Ah (280Wh) lithium-ion battery. Purchase a replacement battery here.
Charging time: 4 hours (2.5 hours with optional fast charger)
Throttle: thumb throttle
Pedal sensor: torque sensor
Electric assist: 5 levels  
Maximum range: 38 mi (60 km), depending on pedal input

Frame & Mechanical

Frame Material: Magnesium Alloy
Folding frame: yes
Rear suspension: no
Middle suspension: yes
Shifter: Shimano 7-speed
Brakes: hydraulic disk, front and rear
Wheels: 20” spoke wheels
Tires: 20” x 2.125”


Display: LCD display
Lights: front and rear
Charger: 2A/36V Charger. Purchase a replacement charger here or an upgraded charger here.

Customer Reviews

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Greenify your commute

Prioritizing comfort, convenience, and ease of use, the SDREAM Ur is designed to excel in urban environments.

Fast is fun

With a powerful brushless DC motor, the Ur is capable of reaching fast speeds on electric power alone

Lightweight magnesium frame

A rust-resistant magnesium alloy frame helps the Ur weigh in at well under 50 lb with battery installed

Downsize in seconds

Advanced folding mechanism with built-in magnets takes just seconds to collapse the bike down to a third of its size

Last-mile mogul

Folding pedals create a slimmer profile while a caster wheel lets you more easily bring the folded bike with you indoors or on public transport

Designed to fit your lifestyle

Li-ion battery is integrated in the seat post can be removed for charging at home and theft deterrence, or charged right on the bike

More time riding, less time charging

With  a 4 hour charge charge time providing up to 38 miles of range means the Ur fits your schedule, not the other way around

Smart LCD display

Water- and dust-proof display provides battery info, electric assist level, speed, and trip metrics at a glance

Enjoy the ride

Patented center hub vibration damping suspension allows the UR to neutralize 95% of vibration, even on rough terrain

Ur 500X
Compact urban cruiser
X 750S
Fat tire all-terrain beast
Model Number BU50A2 BX75A4
Color Mint Green, Lead Gray, Crimson Red Charcoal Gray, Light Olive
Frame Material Magnesium Alloy Aluminum alloy
Motor Type 500W rear hub motor 750W rear hub motor
Motor Control Thumb Throttle Twist Grip Throttle
Riding Modes 5-level electric assist 5-level electric assist
Maximum Electric Assist Range Up to 38 mi (60 km), depending on pedal input Up to 50 mi (80 km), depending on pedal input
Pedal Sensor Torque Sensor Speed Sensor
Handlebar Display LCD Display 3.5” LCD Display, with USB charging port
Battery 36V / 7.8Ah 280Wh lithium-ion battery 48V / 15Ah 720Wh lithium-ion battery with Samsung cells
Charging time 4 hours (2.5 hours with optional fast charger) 5 hours (3.5 hours with optional fast charger)
Shifter Shimano 7-speed Shimano 7-speed
Brakes Hydraulic disk, front and rear Mechanical disk brakes
Wheels 20″ spoke wheels 20″ aluminum alloy wheels
Tires 20" x 2.125” tires 20" x 4” fat tires
Suspension Rear suspension Front and rear suspension
Folding Method Frame folding Frame folding
Folded size
(Length x Width x Height)
27.6" x 15.0" x 30.3"
(90 cm x 38 cm x 77 cm)
40.9” x 20.9” x 28.7”
(104 cm x 53 cm x 73 cm)
Weight 46.5 lb (21.1 kg), including battery 76.7 lb (34.8 kg), including battery
Body length 58.6 in (149 cm) 68.9 in (175 cm)
Maximum rider weight 220 lb (100 kg) 265 lb (120 kg)