This kit contains both the upper and lower sealed bearings used in the headsets of many Boardman Bikes. Please note this is only compatible with the cartridge type headsets and not the loose retainer caged bb style headsets found on some models. Please check your bearings before buying

Compatible with Boardman Team, Comp, Air, SLR, CXR, ADV, MHT, MTR & TTE bikes. 


Kit contains:

1 x MH-P08F (TH870E) 30.5 x 41.8 x 8H - Internal & External Angle: 45/45

1 x MR127 (TH073E) 40 x 51.8 x 8H -  Internal & External Angle: 36/45



These bearings have been carefully selected from a quality supplier. NO need to look any further for individual bearings and numbers. Buy this kit, fit to headset and get riding. Easy! RRP for FSA bearings are £35, the same prices as a whole new headset! These are just as good and a lot cheaper!

What you get is: 

1 x 1 1/8" Upper Bearing (TH870E)
Also know as MR121, MH-P08F, 870e-rs

Inner x Outer x Depth (mm): 30.5 x 41.8 x 8
Inch Dia: 1-1/8”
Angle / Chamfer (Deg): 45 / 45
Bearing ID: 30.5mm
Bearing OD: 41.8mm
Bearing Thickness: 8.0mm
Internal Angle: 45 Degrees
External Angle: 45 Degrees
Material: Bearing Steel
Seal: Double-sealed 2RS

1 x 1.5" Lower Bearing (TH073)
Also known as ACB518K, MR110, MR127, TH-073E MR110, ACB518K, TK518B

Inner x Outer x Depth (mm): 40 x 51.8 x 8
Inch Dia: 1-1/2”
Angle / Chamfer (Deg): 36 / 45
Bearing ID: 40.00mm
Bearing OD: 51.8mm
Bearing Thickness: 8.0mm
Internal Angle: 36 Degrees
External Angle: 45 Degrees
Material: Bearing Steel
Seal: Double-sealed 2RS

Take out old bearings, clean the cups, grease cups with grease, fit these new bearings and some more grease.