Crankbrothers Synthesis Rear Hub Bearing Kit i9 1/1 - HG/XD 2012 cryogenically treated nitrogen steel races

cryogenically treated nitrogen steel races with Silicon Nitride Grade 5 ceramic balls in a proprietary process that results in the ultimate high performance bearing setup

You will receive two headset bearings in two different sizes in one of the following options

Grizzly Max Kit 12 MAX Bearings over 3 different sizes

and a full complement of the most common guide sizes to ensure efficient and accurate headset installation

Bearings may come from different suppliers depending on our stock levels when ordering

Crankbrothers Synthesis Rear Hub Bearing Kit i9 1/1 - HG/XD 2012 cryogenically treated nitrogen steel racesThe Crankbrothers Synthesis Bearing Kit Rear Steel XD HG is engineered to deliver exceptional durability and performance for your rear hub. Designed exclusively for Crankbrothers Synthesis Industry Nine hubs compatible with XD and HG driver bodies, this kit ensures a perfect fit that supports smooth and efficient wheel rotation. Crafted from high quality steel bearings, it offers superior resistance to wear and tear, making it an indispensable