1Fitment: The throttle control grips are replacement for throttle control grips, for R1 R6, for Ninja 250R ZX6R 636 ZX6RR ZX10R ZX7R ZX9R ZX12R ZX14R. 2Parameter: The caliber of this throttle handlebar grip is 25mm, which is applicable for standard hollow handlebars, please check the size before ordering. 3Premium Material: The throttle handlebar grips are made of high strength Abs and rubber material, which is wear resistant, impact proof and durable. 4Function: Can be used for original handlebar replacement, refurbishment, upgrade, modification, to provide better throttle performance for your handlebar. 5Easy to Install: Stringently manufactured to meet the original standard, perfect replacement for the old or broken one, improving the time efficiency.