We use 99% for bowden cables and shafts Made in Japan or Europe. � In order to increase our ability to deliver and reduce your inventory, we have put together a tachometer and speedometer shaft of certain lengths in increments of max. 4.5 cm. The Some waves are up to 4.5 cm longer than the original wave. Your advantage: With a few waves you cover the entire program. Item Ref: 731.18.89