Humminbird XTM-9-HW-MSI-150-T MEGA SI/DI Dual Spectrum CHIRP Trolling Motor Transducer w/Temp f/HELIX 7/8 MEGA SI [710298-1] Outdoor | GPS - Accessories Additionally the ball bearings are

Additionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks

Step up to a 1kW Without a Fairing

3/8" Diameter Bolt

Box Dimensions: 3"H x 8"W x 12"L WT: 2

Simply attach the sensor and ride

Humminbird XTM-9-HW-MSI-150-T MEGA SI/DI Dual Spectrum CHIRP Trolling Motor Transducer w/Temp f/HELIX 7/8 MEGA SI [710298-1] Outdoor | GPS - Accessories Additionally the ball bearings areXTM 9 HW MSI 150 T MEGA SI DI Dual Spectrum CHIRP Trolling Motor Transducer with Temp for HELIX 7 8 MEGA SI MEGA Side Imaging Trolling Motor Transducer supports MEGA Imaging 455kHz and Dual Spectrum CHIRP 2D Sonar with a CHIRP range of 150 220kHz. Includes built in temperature sensor, rugged composite design and 20 cable. Features: This accessory is compatible with the following Humminbird products: HELIX 7 CHIRP MEGA SI GPS G3, HELIX 7 CHIRP MEGA SI