Description
Repair Bush/Insert designed to repair bicycle cranks which have stripped threads
Quantity: One – you are purchasing one bush unless you select the left and right pair
Manufactured from chrome/nickel plated steel
Internal thread is 9/16″ x 20 TPI BSCY (standard pedal thread)
External thread is 5/8” x 24 TPI UNEF
Left hand bush has a left handed/counter clockwise thread and fits a bicycle’s left crank
Right hand bush has a right handed/clockwise thread and fits a bicycle’s right crank
To fit these bushes, your damaged crank needs to be re-tapped with a 5/8″ x 24 UNEF tap by a competent engineer