Tektro Super73 HD-E3940 E-bike Power Control 4 pistons Hydraulic Brake 2Pin-OE,No Retail Box

High-Performance 4-Piston Power for E-Bikes

The Tektro HD-E3940 is a high-performance hydraulic disc brake system specifically engineered for the demands of high-speed e-bikes. Featuring a powerful 4-piston caliper and an integrated motor-cutoff sensor, it provides superior stopping power, exceptional heat management, and enhanced safety for heavy-duty electric trekking and mountain bikes.

📊 Technical Specs

⚠️ Installation Note for OE

This is the OE version (Original Equipment), As an OE part, it does not include retail cardboard packaging.

📦 What’s in the Box?

1x Tektro HD-E3940 Brake Set (Lever & Caliper)

1x Pre-filled Hydraulic Hose (Length varies by option)

1x Pair of Brake Pads (Pre-installed)