Note- This is an upgrade kit that is only to be purchased in conjunction with a crank arm set. If you wish to purchase without the cranks you can find the product here - https://crankymtb.au/products/pinnd-captive-nut-pair
This Captive Nut is for use with our Bosch/ISIS/Specialized E-Bike Cranks and made from the same7075 T651 aluminium. Sold as pair.
Requires special tool for installation and removal: Captive Nut Tool
