Ribble Ultra SL Headset Bearing Kit (Same Upper & Lower) Pole Heavy duty cups and 2

Heavy duty cups and 2 x high quality tapered Roller Bearings

1 x 1 1/8" Upper Bearing ( MR040)

These are high quality CNC machined medals

Please check your bearings to ensure correct kit

Ribble Ultra SL Headset Bearing Kit (Same Upper & Lower) Pole Heavy duty cups and 2Headset bearing kit to fit this Ribble bike Upper Bearing MH P16 (40 x 52 x 7 45 45) Lower Bearing MH P16 (40 x 52 x 7 45 45) Depending on the year and frame size, some have the same upper and lower bearing, some have a slightly taller lower bearing (See "Different Lower" kit for the ACB518K 40 x 51. 8 x 8 36 45 lower bearing kit. Please check your bearings to ensure correct kit High quality bearings