RED PRO TAPER DIRT PIT BIKE GRIPS HONDA CRF150F CRF230F CRF250F CRF450F Brand New Quality Parts. Ships Fast!! For Use With Vehicles That Use A 7/8" Left Grip & 1" Right Grip. Designed For Hand Twist Style Throttles.. Overall Length Of Grips Measures : 120mm Or 4 3/4".