Here you have a Lucas Altette Horn Bracket, made from solid stainless steel, produced as a replacement for the original. 


Part Number: LC701639 or 701639 or 70-1639

Sometimes referred to as: "catapult" or "stepped" type

Material: Stainless steel

Finish: Polished - Tumbler


Please note, as shown in the photos this bracket fits original Altette Horns. the Horn is not included with this item and is for reference only.

Each of the two parts is made from 4mm thick stainless, giving it a thickness of 8mm in the "step" area.


Rough Dimensions for reference and identification only:
The gap between the two small holes is 4" or 100mm

The gap between the inside of the arms is 3.5" or 89mm

The large hole will take a 7/16" bolt.

The small holes will take a 1/4" bolt.


This Bracket was fitted to a huge range of bikes that used the Altette Horn.

Including BSA, Norton, Triumphs, Sunbeam, AJS & matchless.

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


Each of the parts has had at least 3 hours in our tumbler, this gives them a good finish, please see photos! The finish is not "chrome" or "show finish".


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

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70-1639 - Altette Horn Bracket

  • Brand: BSA
  • Product Code: 70-1639
  • Availability: In Stock
  • £25.00

  • Ex Tax: £25.00

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