Bowler Ratings


Bowler ratings are from 1 to 10 in order of Stroker (ST), Tweener (TW), Cranker (CR)

Note: Ratings are only available to our premium members.

General Info

Coverstock Specs
Type:Reactive Solid
Box Finish:2000 Abralon Polished
Color:Navy Blue / Sea Foam
Core Specs
Int. Diff:0.023

The Protocol uses the s70 reactive cover and a brand new core. The manufacturer claims that the new core shape is not altered in any way by drilling holes. They say the starting RG and differential are what you end up with post drilling. We do not have an RG swing or any other way to put these claims to the test, but there is no denying what a great performing bowling ball they have produced.

The Protocol was just slightly better on our medium test pattern than it was on the heavy. This ball revved up strongly in the

The BTM Ball Testing Team

About The BTM Ball Testing Team

The BTM Ball Testing Team is led by Eric Martinez. Our team of three testers has thrown and reviewed hundreds of bowling balls for Bowling This Month. When not testing balls for BTM, Eric owns and operates University Pro Shop in San Antonio, TX and he is an avid competitive bowler. Click here to learn more about how we test and review bowling balls.