Brake Front Tektro HD-E3940

The Tektro HD-E3940 is a 4-piston hydraulic front brake for e-bikes, offering improved stopping power and integrated motor cut-off.

• The description claims the brake provides significantly more clamping force than standard 2-piston brakes.
• The description claims the integrated reed switch sensor cuts motor power when the brake lever is engaged.
• The description claims the brake is optimized for e-bikes with features like heat dissipation and an ergonomic lever.