Surface604 - Quad

Introducing the Surface 604 Quad—a hardtail electric mountain bike that seamlessly blends iconic design with modern eMTB technology.

Powerful 500W Motor

At its core, the Quad features a purpose-built Bafang 500W 48V electric motor, delivering a surge of quiet, consistent power at higher speeds without vibration. Paired with an industry-leading 12mosfet 25A controller, the Quad offers unmatched torque and speed, ensuring you conquer steep hills and challenging terrains with ease. 

Whisper-Smooth Torque Sensing Pedal Assist

Equipped with an advanced torque sensor, the Quad intuitively matches your pedaling effort in real-time, providing a natural and responsive riding experience. The custom dropout design ensures a seamless assist at any level, delivering a sensation comparable to mid-drive motors. 

Redesigned Cockpit

The Quad features an extra-large 3.5" color LCD display, presenting all vital information at a glance. For added security, set a passcode to prevent unauthorized use, similar to your smartphone. 

Long-Range Battery

Offering a high-capacity 48V20Ah (960Wh) Samsung lithium-ion battery, the Quad provides a range of up to 65 miles (105 km) per charge. The battery features a USB plug for on-the-go device charging and a capacity indicator button for convenience. 

Key Specifications

• Suspension Fork: SR Suntour XCM 32, 29ER with 100mm travel and thru-axle hub.

• Tires: Maxxis Rekon+ 27.5" x 2.8" Skinwall tires with 3C and EXO casing technology for enhanced stability and traction.

• Brakes: Tektro Dorado hydraulic quad-piston disc brakes, eMTB specific, with motor inhibitors for reliable stopping power.

• Drivetrain: SRAM X5 9-speed for smooth and precise gear shifts.

• Lighting: Powerful Büchel "Shiny 120" LED front light included; rear LED light optional.

The Surface 604 Quad combines cutting-edge technology with robust durability, offering an exceptional eMTB experience for adventurers ready to tackle diverse terrains.