High-end Quality Components
- LONG-LASTING BATTERY
- POWERFUL MOTOR
- AIR SUSPENSION SYSTEM
- LED LIGHT SYSTEM
- BIG BEN 2.0''TIRES

LONG-LASTING BATTERY
RIDE MORE. CHARGE LESS The QUARTZ electric bike features a premium 48V 644 Wh lithium-ion battery for long rides with a maximum range of 65 km. Durable and reliable, this battery provides peace of mind for any adventure especially with its waterproofed charging port mechanism.

POWERFUL MOTOR
EXPERIENCE A SMOOTHER RIDE Unleash the Power of Commuting with the BAFANG 250W 40Nm rear motor. Experience fast and smooth acceleration on your daily commute, with plenty of power to tackle any urban obstacle in your way.

AIR SUSPENSION SYSTEM
STAY IN CONTROL Suntour NEX HLO DS Air suspension provides a smooth and comfortable ride, even on uneven terrain. The suspension system through the change of air pressure to absorb shock and vibration for a stable and controlled ride. This advanced technology provides a stable and comfortable ride that is less tiring and stressful on the rider's body, even on long rides.

LED LIGHT SYSTEM
STAY VISIBLE AND SAFE The QUARTZ electric bike is equipped with a high-intensity 50 lux LED headlight to illuminate your way and enhance your safety. Its rear brake light signals increase your visibility to others, ensuring that you can ride with confidence, even in the dark. Enjoy peace of mind and a safe ride with the Deruiz MARBLE's advanced LED light system.

BIG BEN 2.0''TIRES
ALL TERRAIN FAT TIRE The QUARTZ electric bike is equipped with Schwalbe big ben 28 x 2.0" tires, providing a smooth and comfortable ride no matter the terrain. The dual shocks absorb the impact of bumps and rough surfaces, while the large 28" tires provide enhanced stability and traction. Whether you're cruising on city streets or exploring off-road trails, the QUARTZ will take you there in style and comfort.
MORE INFORMATION

BIKE CATEGORY OF USE: 2
You can find more information about Bike Classification at the following link.
135 KG
MAXIMUM RIDER AND BIKE WEIGHT
The weight includes the bike and the rider incl. clothing, as well as any equipment that may be on the rider’s body (e.g. backpack) and must not be exceeded.
140 KG
MAXIMUM SYSTEM WEIGHT
The maximum system weight refers to the combined weight of the rider and bike (which is subject to a separate weight limit that must not be exceeded) plus any accessories attached to the bike, such as a trailer, luggage carrier, etc.
Further details can be found in the system weight table.
From urban jungle to rural idyll
Do you want to create unforgettable memories with the freedom and ease of riding an electric bike? Innovatively designed ebikes from Deruiz are what you need for a perfect commute to work, running errands, or just cruising around town. With advanced motors and practical features, you’ll have the power and convenience you need to tackle any terrain or task.


COMPONENTS
FRAME
FRAME | Aluminum Alloy 6061, Simple, elegant, sophisticated, comfortable |
SIZE | Easy Entry: XS (45cm) , 28″, one size |
TYPE | Step over |
SUSPENSION
SUSPENSION FORK | Suntour NEX HLO DS Air, 63mm, Lockout |
E-BIKE SYSTEM
DRIVE UNIT | BAFANG 250W 40Nm rear motor |
BATTERY | DERUIZ DownTube, 48V 644 Wh |
DISPLAY | DERUIZ LCD with Bluetooth |
CHARGER | DERUIZ 48V 2A |
DRIVETRAIN & BRAKES
BRAKE SYSTEM | TEKTRO Aries TR180 |
SHIFTERS | SHIMANO ALTUS, 8 speed |
CRANKSET | Prowheel Crankwheel, 42T, 170mm |
CASSETTE | SHIMANO ALTUS 11-32T, 8 Speed |
COCKPIT
HANDLEBAR | DERUIZ Special comfort Bar |
STEM | DERUIZ Comfort Stem Pro, 31.8mm, Adjustable |
GRIPS | DERUIZ soft 130mm pairs |
HEADSET | DERUIZ H823PL toothless, one-piece, 28.6*44*30, stacking thickness 22.3mm |
WHEELS
HUB | Quick release 115mm |
RIMS | 36H, Disc, Tubeless Ready |
TIRES | Schwalbe big ben city&trekking 28*2.0 inch |
FINISHING KIT
SEAT POST | DERUIZ 0-100mm,adjustable |
SADDLE | Selle Royal Leather Surface |
PEDALS | VP 856 Trekking |
FRONT LIGHT | 50 lux |
REAR LIGHT | with brake singals, 6V/36V/48V Universal, DC |
KICKSTAND | 265-330mm adjustable |
PRODUCT INFORMATION
WEIGHT | 27,5 kg |
COLOUR | Plum Grey |
APP | Smart App Intelligent system |
MAX LOAD CAPACITY | 135kg |
GEOMETRY

Seat tube | 440mm |
Top Tube Horizontal | 590mm |
Seat angle | 72.4° |
Head tube angle | 69° |
Chainstays | 457mm |
Head tube | 170mm |
Wheelbase | 1154.4mm |
BB-Height to Hub | 50mm |
Reach | 421mm |
Stack | 659.8mm |