Shark Bite Scuba®
Home of the Tank Dolly®

image114

The Tank Dolly® ⏤ Rubber bumpers

3 specific sets of rubber bumpers cradle your scuba tanks and protects the bottom of the Weight Box

Rubber bumpers shown in the photo:


Left: 0.44H x 1D inch (1.1H x 2.5D cm)

[Standard Tank Brace and Sand Tire]


Center: 1H x 1D inch (2.5H x 2.5D cm) 

[Extender for the Tank Brace]


Right: 1.25H x 1.25D inch (3.1H x 3.1D cm) 

[All-Terrain Tire]


  • A stainless-steel nut is placed inside of the recessed portion of the rubber bumper

  • A washer is embedded in each rubber bumper for strength and durability

Rubber bumper material:

  • The rubber bumper is made from Styrene Butadiene which is a extremely hard and durable rubber compound

  • The rubber bumper has a service temperature range from -60° to +180°F (-51° to 82°C)

image115

rubber bumpers for the all-terrain tire

Use the 1.25H x 1.25D inch (3.1H x 3.1D cm) rubber bumpers with the All-Terrain Tires

  • The All-Terrain Tire rubber bumper is 0.8 inch (2 cm) taller than the Sand Tire rubber bumper

  • The All-Terrain Tire rubber bumpers must be removed when using the Sand Tires

  • In addition to protecting the bottom of the Weight Box, the rubber bumpers level The Tank Dolly®

Bolt size:

  • Stainless-steel 1/4-inch diameter (6.3 mm)


  • 5/32-inch Allen wrench (3.9 mm)

  • The stainless-steel BHCS bolt is accessible from inside the Weight Box

image116

rubber bumpers for the sand tire

Use the (2) 0.44H x 1D inch (1.1H x 2.5D cm) rubber bumpers with the Sand Tires

  • The Sand Tire rubber bumpers are 0.8 inch (2 cm) shorter than the All-Terrain Tires rubber bumpers

  • The Sand Tire rubber bumpers may remain attached to the Weight Box when using the All-Terrain Tires

  • In addition to protecting the bottom of the Weight Box, the rubber bumpers level The Tank Dolly®

Bolt size:

  • Stainless -steel 10-24 bolt

  • 1/8-inch Allen wrench (3.1 mm)

  • The stainless-steel BHCS bolt is accessible from inside the Weight Box

image117

rubber bumpers for sand tires and all-terrain tires

image118

Extender rubber bumpers for Doubles

image119

The Extender rubber bumper is 1H x 1D inch (2.5 x 2.5 cm)

  • The Extender rubber bumper is used to stabilize a Doubles rig by replacing both of the Tank Brace's outside 0.44H inch (1.1H cm) rubber bumpers

  • Your Doubles rig is now seculery cradled between the  Extender rubber bumpers (outside) and the standard 0.44H inch (1.1H cm) rubber bumpers (inside)

Why do I need the Extender rubber bumper for Doubles?

The standard outside rubber bumpers are 0.44H inch (1.1H cm) on the Tank Brace and do not make contact with the Doubles, due to the static 2 inch (5 cm) distance between tanks.

image120

Create additional space between 2 INDEPENDENT tanks

The Extender rubber bumper provide 1.12-inches (2.8 cm) of additional

  • By replacing both of the Tank Brace's inside 0.44H inch (1.1H cm) rubber bumpers with the Extender rubber bumper, additional clearance between tanks is created when using  2 XL or bulky BCDs

  • The Extender rubber bumper allows easy access to your BCDs and the STB-34C tank strap

Extender rubber bumpers and bolt:

  • The Extender Rubber Bumper 1H x 1D inch (2.5 x 2.5 cm)

  • Stainless-steel 5-32 bolt

  • 3/32-inch Allen wrench (2.4 mm)