giving you the right amount of glide and shot-shaping options

Rive is a crusher

straight flight

it will hold any line on your approach shots

twice as forgiving and has a much gentler finish

M4 AIR Spectrum Nr. | Vikt:15 | 160-164 giving you the right amountM4 AIR Spectrum The Prodigy Disc M4 is an extremely reliable, slightly understable midrange disc. It is designed for all players and flies extremely far for a midrange. The M4 will turn up when thrown hard and will then have an extra long glide and a soft straight finish. SPECIFICATIONS: Diameter: 21. 7cm Height: 2. 0cm Rim Depth: 1. 3cm Rim Width: 1. 4cm Min Weight: 140g Max Weight: 180g Stability: Slightly Understable