Shimano SM-PM70 LX Power Modulator
Model Number: SM-PM70
Series: Shimano products.
Modular Level: Standard
Mount Type: Lead pipe
Compatible Brakes: V-Brake (excluding Power Modulator with brakes)
Compatible brake levers: V-Brake 4 fingers/3 fingers (Power Modulator must be used for front brakes.)
Compatible brake levers_V-BRAKE 2 fingers.
The photo uses 135 degrees.