Steering Stem Dust Cover for Top Yoke Bearing


This precision-machined cover fits over the steering stem, protecting the top yoke bearing from dust and debris. Designed to sit under the adjuster (part number 67-5023), this cover is CNC-machined from solid stainless steel bar, unlike many pressed versions on the market, ensuring superior durability and fit.


Part Numbers: 66-5204, 66-5203, 65-5321

Material: Stainless steel


Approximate Dimensions (for identification purposes only):

Inner Diameter (Hole Size): 1-1/8" (29 mm)

Outer Diameter (OD): 2-5/8" (66 mm)

Overall Height: 3/8" (9 mm)


Confirmed Fitment:

BSA Models: A7, A10, B31, B32, B33, B34, Gold Star, Rocket Gold Star (RGS)

Sunbeam Models: S7 Deluxe, S8

Note: This cover may fit other models. Please verify compatibility with your part number and dimensions before purchasing.



This item is made using CNC manufacturing in England by CPC Engineering with high-quality stainless steel.

66-5204 - Steering head dust cap

  • £25.00

  • Ex Tax: £20.83

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67-5024 - Steering stem adjuster sleeve cap

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