Term “left handed thread” is regularly used in cycle literature and practise. This write-up explains the difference in between (a an ext common) best handed and left handed thread. Prior to explaining the left handed thread, first the best handed one will be explained.

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1. Best handed subject – “the dominion of appropriate thumb”

Right handed object is do so the bolts and also screws space screwed in by turning them clockwise. Unscrewing is, of course, done in opposing direction. For easier coping (in case of a tricky position, upside under etc.) over there is a an easy rule of thumb, presented in the snapshot 1.

The preeminence of right thumb:When the best thumb is inserted onto the head of the screwed in screw (or the hole a screw will certainly be placed into), fingers space pointing the direction because that tightening the screw.Picture 1

Right handed object is the most common, if left handed one is exceptional, supplied only as soon as necessary. Threads pointed out in the post around standard bicycle object dimensions room all ideal handed.


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Left handed thread

All the same, but reversed.