Description SPLINE DRIVE INSERT -These are the chromoly inserts for Profile and Madera Spline Drive sprockets and spiders. 6mm for use with Spline Drive Sprockets, Galaxy Sprockets, Elite Spline Drive Sprockets, & Madera Helm Sprockets. (**19mm Sprockets/Spiders can only accept 19mm insets & 22mm Sprockets/Spiders can only accept 22mm inserts. They can not be converted up or down in size.**) 8mm for use with Spline Drive Spider & MTB Triple Spline Drive Spider. (**19mm Sprockets/Spiders can only accept 19mm insets & 22mm Sprockets/Spiders can only accept 22mm inserts. They can not be converted up or down in size.**) Shipping to the Contiguous US is included with the price of this item. Items will be shipped USPS First Class Mail. Additional shipping charges apply to Alaska, Hawaii and International orders. You will be sent a PayPal invoice for the additional amount.
