Size Guide

Ball Sizes

Arm Sizes

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured with a variety of interchangeable components to fit your specific mounting needs.

B Size

Holds 2 lbs / 0.91 KG

1" Ball

Phones, Action Cameras, Light Duty Tablets

C Size

Holds 4 lbs / 1.81 KG

1.5" Ball

Fishfinders, Heavy Duty Tablets

D Size

Holds 6 lbs / 2.72 KG

2.25" Ball

Monitors, Large Fishfinders

E Size

Holds 15 lbs / 6.8 KG

3.38" Ball

Heavy Monitors

Ball Sizes		Short Arm	Medium Arm	Long Arm
B Size	Overall Length	2.42" / 6.1468cm	3.73" / 9.47cm	6.00" / 15.24cm
B Size	Socket-to-Socket Length	1.75" / 4.45cm	3.00" / 7.62cm	5.31" / 13.49cm
C Size	Overall Length	3.56" / 9.04cm	5.69" / 14.45cm	9.13" / 23.19cm
C Size	Socket-to-Socket Length	2.50" / 6.35cm	4.66" / 11.84cm	8.00" / 20.32cm
D Size	Overall Length	5.10" / 12.95cm	8.44" / 21.44	12.98" / 32.97
D Size	Socket-to-Socket Length	3.60" / 9.14cm	6.88" / 17.48cm	11.41" / 28.98cm
E Size	Overall Length	7.31" / 18.57cm	12.63" / 32.08cm	N/A
E Size	Socket-to-Socket Length	4.98" / 12.65cm	9.88" / 25.10cm	N/A

 / Overview / Fishfinder/Chartplotter

RAM® Track Ball® Composite Fishfinder Mount for Humminbird Devices

SKU Copied

SKU: RAP-B-107B-354-TRA1U

UPC Copied

UPC: 793442955075

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RAM® Track Ball® Composite Fishfinder Mount for Humminbird Devices

Copy SKU
RAP-B-107B-354-TRA1U SKU: RAP-B-107B-354-TRA1U

Copy UPC
793442955075 | UPC: 793442955075

B SIZE

MEDIUM ARM

Size Guide

The RAP-B-107B-354-TRA1U consists of a Track Ball base, composite double socket arm and connecting Humminbird/Apelco marine adapter base. The mount is designed with a RAM 2.54cm (1") diameter rubber ball and socket system that has adjustment points at both ends of the double socket arm - allowing for high adjustability to achieve perfect viewing angles. This kit is compatible with virtually any track system including the RAM Tough-Track.