Trek Boone (2018-2021) Headset Bearing Kit - Enduro Stainless Steel/ Standard Chrome Steel Type of Bearings:-:FSA - Full Speed Ahead Grizzly Standard Kit 18 Standard

Grizzly Standard Kit 18 Standard Bearings over 2 different sizes - 8 will be Enduro Max due to size availability

Grizzly Max Kit  10 MAX Bearings over 2 different sizes

The kit contains two bearings of the one size

Grizzly Standard Kit 15 Standard Bearings over 6 different sizes (2 of the bearings will be Grizzly Max due to size and availability)

Trek Boone (2018-2021) Headset Bearing Kit - Enduro Stainless Steel/ Standard Chrome Steel Type of Bearings:-:FSA - Full Speed Ahead Grizzly Standard Kit 18 StandardTrek Boone (2018 2021) Headset Bearing Kit Enduro Stainless Steel Standard Chrome Steel This Headset Bearing Kit fits all Boone Models from 2018 2021 The kit contains two bearings of two different sizes. Enduro Stainless Steel Kit Not all stainless steel is created equal. Enduro only uses 440C stainless steel balls and races to provide long life and superior corrosion resistance in applications and environments that may be less than ideal. 440C has