Ribble Ultra SL Headset Bearing Kit (Same Upper & Lower) Pole and packed full of the

and packed full of the stuff

precision milled cups and packed with high grade grease

Inch Classification – 1-1/8

but not Prime brand

Heavy duty cups and 2 x high quality tapered Roller Bearings

Ribble Ultra SL Headset Bearing Kit (Same Upper & Lower) Pole and packed full of theHeadset 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