12-magnet Pedal Assist Sensor (PAS) designed specifically for Shimano Hollowtech II and compatible integrated bottom brackets. Provides a smooth, responsive, and lag-free electric motor activation while pedaling.

Key Features:

• Compatibility: Made for Hollowtech II bottom brackets (no need to remove BB cups for installation).

• Efficiency: 12 magnets for high sensitivity and quick response.

• Durability: Fitted with a waterproof 3-pin Julet connector (orange).

• Application: Compatible with standard e-bike controllers that support PAS function.