The Martin Adix 30 features Tri Loc axle cap, Tri Loc roto cup, Tri Loc limb pocket, Hyrbyx cam system with Helix groove in lower cam and Mass distribution system. The Adix 28 is short, compact, quiet, fast and has no hand shock. Axle to axle: 30â?쳌, Brace Height: 6.375â?쳌, Speed: 341 fps, Let Off: 65-85 percent, Draw Length: 25.5â?쳌-30â?쳌, Weight: 4.55 lbs.