GrizzlyStik Momentum TDT Spine Charts

Categories: Data & Tech Resources, GrizzlyStik Bowhunting Resources

Tags: momentum tdt, high foc, broadheads, bowhunting, arrows

Your arrow spine (deflection/stiffness) is affected by bow poundage, cut length, head weight, and shooting form.

A full overview of arrow testing recommendations can be found on our arrow testing page.

For the majority of shooters, the GrizzlyStik arrow spines fall into the following spine/bow poundage spectrums.

Momentum TDT 170 spine is for 70# - 90# bow draws

Momentum TDT 240 spine is for 60# - 80# bow draws

Momentum TDT 320 spine is for 50# - 70# bow draws

Momentum TDT 400 spine is for 40# - 60# bow draws

Momentum TDT Components Chart

Click on the desired arrow spine above or the image below to enlarge the image

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