GrizzlyStik Momentum Arrow Spine Recommendations
Your arrow spine (deflection/stiffness) is affected bybow 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
GrizzlyStik TDT Arrow Weights & FOC Chart 170 & 240 - PDF (Printable)
GrizzlyStik TDT Arrow Weights & FOC Chart 320 & 400 - PDF (Printable)
