Roto Grip bowling balls
47 balls in catalog · Official site ↗
Current lineup
Wicked Gremlin 15lb · RG 2.50 · D 0.058 est. ✓ USBC Approved Coming Soon 
Cosmos 15lb · RG 2.69 · D 0.006 Spare ball · any condition ✓ USBC Approved 
hyped UP! 15lb · RG 2.50 · D 0.042 ✓ USBC Approved 
Transform Pearl 15lb · RG 2.51 · D 0.051 ✓ USBC Approved 
Hustle SOS 15lb · RG 2.53 · D 0.030 
Hustle VP 15lb · RG 2.53 · D 0.030 est. 
Gremlin Tour-X 15lb · RG 2.48 · D 0.034 ✓ USBC Approved 
TRANSFORMER 15lb · RG 2.51 · D 0.051 ✓ USBC Approved 
ROCKSTAR AMPED 15lb · RG 2.48 · D 0.050 ✓ USBC Approved 
RST HYPERDRIVE PEARL 15lb · RG 2.52 · D 0.055 ✓ USBC Approved 
GREMLIN 15lb · RG 2.50 · D 0.058 ✓ USBC Approved 
Hustle Earth 15lb · RG 2.53 · D 0.030 est. 
Hustle Glow 15lb · RG 2.53 · D 0.030 est. 
RST HYPERDRIVE 15lb · RG 2.52 · D 0.055 ✓ USBC Approved 
ROCKSTAR 15lb · RG 2.48 · D 0.050 ✓ USBC Approved 
RG JESTER CLEAR POLYESTER 15lb · RG 2.69 · D 0.006 Spare ball · any condition 
Hustle X-Ray 15lb · RG 2.53 · D 0.030 est. ✓ USBC Approved 
Hustle M+M 15lb · RG 2.53 · D 0.030 est. ✓ USBC Approved Recently discontinued
Often still available from retailers and pro shops.
Optimum Idol Solid 15lb · RG 2.47 · D 0.056 ✓ USBC Approved Int. release 
ULTIMATE WRECKER 15lb · RG 2.54 · D 0.045 ✓ USBC Approved Discontinued 
Attention Star S2 15lb · RG 2.48 · D 0.049 ✓ USBC Approved Discontinued 
X Cell Tour 15lb · RG 2.50 · D 0.056 ✓ USBC Approved Int. release 
OPTIMUM IDOL 15lb · RG 2.47 · D 0.056 ✓ USBC Approved Discontinued 
X-CELL 15lb · RG 2.50 · D 0.056 ✓ USBC Approved Discontinued 
ATTENTION STAR 15lb · RG 2.48 · D 0.049 ✓ USBC Approved Discontinued 
MAGIC GEM 15lb · RG 2.47 · D 0.053 ✓ USBC Approved Discontinued 
TNT INFUSED 15lb · RG 2.47 · D 0.052 est. ✓ USBC Approved Discontinued 
Hustler Navy 15lb · RG 2.53 · D 0.030 ✓ USBC Approved Int. release 
CLONE 15lb · RG 2.51 · D 0.056 ✓ USBC Approved Discontinued 
DUO 15lb · RG 2.49 · D 0.046 ✓ USBC Approved Discontinued 
RETRO RG SPARE 15lb · RG 2.69 · D 0.006 est. ✓ USBC Approved Discontinued 
TNT 15lb · RG 2.47 · D 0.052 ✓ USBC Approved Discontinued 
TOUR DYNAM-X 15lb · RG 2.47 · D 0.026 ✓ USBC Approved Discontinued 
HYPED SOLID 15lb · RG 2.52 · D 0.036 est. ✓ USBC Approved Discontinued 
RST X-3 15lb · RG 2.53 · D 0.053 ✓ USBC Approved Discontinued 
IDOL COSMOS 15lb · RG 2.49 · D 0.052 est. ✓ USBC Approved Discontinued 
Rst X-2 Pro 15lb · RG 2.53 · D 0.053 ✓ USBC Approved Int. release 
GEM 15lb · RG 2.47 · D 0.053 ✓ USBC Approved Discontinued 
IDOL HELIOS 15lb · RG 2.49 · D 0.052 ✓ USBC Approved Discontinued 
RUBICON UC3 15lb · RG 2.49 · D 0.052 ✓ USBC Approved Discontinued 
HYPED HYBRID 15lb · RG 2.52 · D 0.036 est. ✓ USBC Approved Discontinued 
HYPED PEARL 15lb · RG 2.52 · D 0.036 est. ✓ USBC Approved Discontinued 
UFO ALERT 15lb · RG 2.52 · D 0.054 ✓ USBC Approved Discontinued 
RUBICON EX 15lb · RG 2.49 · D 0.052 ✓ USBC Approved Discontinued 
RST X-1 SQUAD 15lb · RG 2.53 · D 0.053 ✓ USBC Approved Discontinued 
RUBICON UC2 15lb · RG 2.49 · D 0.052 ✓ USBC Approved Discontinued 
Squad RG Clear Poly 15lb · RG 2.69 · D 0.036 Spare ball · any condition ✓ USBC Approved