Tektro HD-E3120 E-bike Hydraulic Brake Electric Power Control 2pin E350 E3520

Tektro HD-E3120 Hydraulic eBike Disc Brake – 2-Piston – Motor Cut-Off Sensor

The Tektro HD-E3120 hydraulic disc brake features a dual-piston caliper, adjustable lever reach, and an integrated motor cut-off sensor for compatible electric bikes. The 2.5-finger lever offers comfortable braking control, while the quick-disconnect sensor cable makes electrical connection and servicing convenient.

Specifications:

• Brand / Model: Tektro HD-E3120

• Brake system: Hydraulic disc brake

• Caliper: 2-piston

• Brake fluid: Mineral oil

• Lever: 2.5-finger design with reach adjustment

• Handlebar clamp diameter: 22.2mm

• Caliper mounting: 74mm post mount

• Brake hose lengths: 980mm / 1850mm

• Sensor: EJ1 quick-disconnect motor cut-off sensor cable

• Sensor connector: 2-pin

• Sensor cable length: 30cm

• Rotor compatibility: 1.8mm-thick rotors only

• Color: Black

Package Options:

Please select the desired brake configuration from the listing menu. Package contents depend on the option purchased.

For the option with rotors, the pictured Tektro 180-24 rotors measure 180mm in diameter and 1.8mm thick, with a 6-bolt mounting pattern. Rotors are included only when the corresponding option is selected.

Installation & Compatibility:

The levers and hoses are supplied filled with mineral oil. The disconnected hose requires connection to the lever before use. Hose shortening or connection may require bleeding; professional installation is recommended.

Please check hose length, frame/fork mounting, rotor compatibility, and the electrical connector before purchasing. The motor cut-off function requires a compatible eBike controller and matching connector.

Condition:

These are OEM Parts, Brand new, Never Installed on Bike, Never used in any way, just NOT in retail packaging.