01-04 HONDA CBR600F4I The GPR V4, specifically made for sport / road racing bikes. GPR has taken their proven fluid control technology and squeezed, trimmed, and lightened this model up to be exactly what the racers want. Smaller, lighter, faster. A large dial with a definite "no-slip" grip that locks into place with a positive "click" at 20 settings; approximately 30% lighter than the GPR original Version 1; available now in multiple color combinations; developed extensively in the World Superbike The GPR V4 won Two Wheel Tuners "Brappy" award for "Best Road Racing Product of 2007." "Massive improvement over the original model," Superbike Magazine, 2007.