Features: 1. Fitment: Throttle control grips designed as a replacement for select motorcycle models including R1, R6, NINJA 250R, ZX6R 636, ZX6RR, ZX10R, ZX7R, ZX9R, ZX12R, and ZX14R. 2. Parameter: Grip caliber is approximately 25mm (0.98in), compatible with standard hollow handlebars. Please verify handlebar size before purchase. 3. Premium Material: Constructed from high-strength ABS and rubber materials for enhanced durability, wear resistance, and impact protection. 4. Function: Suitable for original handlebar replacement, refurbishment, upgrade, or modification to improve throttle performance. 5. Easy to Install: Precision manufactured to meet original equipment specifications, providing a reliable replacement for worn or damaged grips and improving handling efficiency. Specification: Item Type: Throttle Control Grips Material: ABS, Rubber Caliber: Approx. 25mm / 0.98in Fitment: Compatible with CBR600RR, CBR1000RR, F3, F4, F5, CBR600, RC51 Compatible with R1, R6 Compatible with NINJA 250R, ZX6R 636, ZX6RR, ZX10R, ZX7R, ZX9R, ZX12R, ZX14R Replacement for GSXR, HAYABUSA, GSX1300R, TL1000R Replacement for DUCATI 888, 849, 851, 749, 898, 1098, 1198 Fits Chopper models up to 2007 with 1-inch handlebars