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Time Away

We will be closing for Two week in Mid May Our last trading day will be Friday 8th May 2026.
Any orders placed after this date will be processed when we reopen on Monday, 25th May.


Stainless Steel Lower head race cone (PN: 65-5127)

Upgrade your classic British motorcycle with this premium CNC-machined stainless steel replacement lower head race cone. This precision-made upgrade over the original mild-steel item offers superior strength and greatly improved corrosion resistance. This lower/bottom cone sits inside the matching 66-4149 head race cup and runs on twenty 01-4675 (1/4") ball bearings.

ALSO AVAILABLE AS PART OF OUR COMPLETE HEAD RACE KIT

Key Features:

Part Number: 65-5127

Material: Stainless steel

Dimensions (approximate, for identification purposes only):

  • Outer Diameter (OD): 1'15/16" (48.75mm)
  • Inner Diameter (ID): 1'1/8" (28.5 mm)
  • Height: 3/8" (9.52mm)

Note: Measurements are approximate and taken on an unfitted part. Please verify compatibility with your model before ordering.


Compatibility: This head race cone was originally fitted to a wide range of BSA models with telescopic forks including:

A7, A10, A50 (OIF), A65 (OIF), B31, B33 and M-group models with telescopic forks.

It may also fit other models — please confirm using the part number and dimensions.


Proudly produced in Cornwall, England by CPC Engineering using precise CNC manufacturing techniques for consistent quality and performance.

65-5127 - Head race cone (Lower)

  • £15.00

  • Ex Tax: £12.50

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