No flash. No frills. Just pure performance. The NU 2.0 is the latest evolution in Hammer’s Not Urethane line, designed for bowlers who love the control and shape of urethane but need more strength and versatility. Poured in a clean, matte grey that reflects its workhorse mentality, the NU 2.0 features NU Active, a new coverstock that’s slightly more aggressive than the original NU Blue. This formula provides slightly more hook where bowlers need it most, without sacrificing the smooth, predictable motion that made the NU line a favorite. For players battling high-friction league conditions or looking for a more forgiving alternative to traditional urethane at tournaments, the NU 2.0 delivers a motion you can trust and results you can count on.
NU Active Coverstock
LED (w/ reactive coverstock) Core
The core is the exact same as the urethane model; however, the numbers are different due to the density of the reactive shell versus the urethane; this raises the differential and creates more flare, producing a stronger and more angular backend motion.

