Campagnolo Chorus Ultra Torque Bottom Bracket Ball Bearings 45x75x23 The NB slide bush is

The NB slide bush is a linear motion mechanism utilizing the rotational motion of ball elements

and handle stress like a champ

Ideal for enclosed systems like motors and conveyors

N313EG Nachi Cylindrical Roller Bearings

Campagnolo Chorus Ultra Torque Bottom Bracket Ball Bearings 45x75x23 The NB slide bush isBall Bearings for Campagnolo Chorus Ultra Torque BB Double Rubber Sealed Set of 2 Chrome Steel ABEC 1 This set of two ball bearings is made to fit Campagnolo Chorus Ultra Torque bottom brackets. Built with corrosion resistant chrome steel and packed with low friction grease, theyre a handy upgrade or replacement for your high performance road setup. Pack of 2 rubber sealed bearings Fits Campagnolo Chorus Ultra Torque bottom brackets Material: Chrome