US
Roto Grip

Roto Grip Cosmos Bowling Ball

  • 14 pound ball, polyurethane
  • 3-piece construction, polyurethane core
  • Sky, admiral and teal finish
  • Adult age range
  • 1 year manufacturer warranty

Updated 23 days ago · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A polyurethane control ball built for predictable lane contact. The listing gives no RG or differential values.

As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.

ASIN: B0H7T5B315Category: Bowling Balls

Sizes Available

8.5

Item Weights Available

12 Pounds13 Pounds15 Pounds16 Pounds

Need a different one? Pick on Amazon →

Overview

Spare shooting and sport pattern lanes are where the Cosmos is aimed, with a polyurethane cover over a polyurethane core in a three piece build. The seller describes it as the anchor of a bowler's arsenal.

The seller says it goes exactly where it is pointed, with no unexpected backend snap, which fits a control-oriented ball. Numbers for the core and the drilling status are not given.

Who it's for

A bowler who needs a reliable ball for tricky ten-pin leaves, or for dry or tough sport patterns, matches the pitch. People hunting for backend hook on heavy oil should choose something else.

Pros and cons

Pros
  • Polyurethane cover and core
  • Three piece construction
  • Built for control
  • One year manufacturer warranty
Cons
  • Core numbers missing
  • Drilling not covered
  • Single weight on this listing

Performance notes

Polyurethane covers grip less aggressively than reactive ones, so the ball reads the lane later and rolls on a more predictable path. The three piece build puts a core inside a shell, and the seller ties that to controlled motion without a sharp backend turn.

Specifications

BrandRoto Grip
Dimensions & fit
Item weight14 pounds
Capacity & performance
Age Range DescriptionAdult
Construction & materials
Material TypePolyurethane
Construction Type3-piece
ColorSky/Admiral/Teal
Core materialPolyurethane
Included components
Included ComponentsBowling ball
Warranty & support
Warranty Description1 Year Manufacturer
Other details
Ball TypeBowling

Frequently asked questions

Is the Roto Grip Cosmos a hook ball for heavy oil?

No. The seller describes a control ball with no unexpected backend snap, and names tricky ten-pin spares and sport patterns as its use.

What is the Cosmos made of?

Polyurethane for the material and the core material, in a 3-piece construction.

Is it an adult ball?

Yes. The age range is listed as adult.