Here you have one BSA/triumph Primary Chain Adjustment Bolt, made from stainless steel and as a direct replacement for the original.


Part number: 71-4251


Please note the "cap" is not included and included in the one photo for reference only.


This part will fit the following models:

BSA - A75 and Rocket 3

Triumph - T150, T160 & X75

This part may fit other models but please check your part number.


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

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71-4251 - Primary Chain Adjustment Bolt

  • Brand: BSA
  • Product Code: 71-4251
  • Availability: In Stock
  • £12.50

  • Ex Tax: £12.50

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