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ACB469 2 MR-040 ( FSA BRAND) MR040 TH-873DJ 2 MR-019 MR019 TH-073DJ ACB518H7
For all bikes using the ACROS AZF-1035 headset
Compatible with most mountain bike shoes
Extended service intervals thanks to the high resistance to wash-out
MR121 MR042
Ribble CGR AL Headset Bearing Kit (Different Lower) Boardman ACB469 2 MR-040 ( FSAHeadset bearing kit to fit this Ribble bike Upper Bearing MH P16 (40 x 52 x 7 45 45) Lower Bearing ACB518K (40 x 51. 8 x 8 36 45) Depending on the year and frame size, some have the same upper and lower bearing: MH P16 40 x 52 x 7 45 45. See "Same Upper & Lower" kit for this version instead. Please check your bearings to ensure correct kit. High quality bearings.