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Production delays

Due to a unexpected terminal diagnosis, I am now required for care, 24/7, this has a massive impact on production capacity, due to this I am only selling from stock. I will get to all emails as soon as I can however there is likely periods of communications delays
Thank you for your understanding at this time difficult time.

Here you have a Pair of BSA brake Shoe return spring & one BSA brake pedal return spring. produced as a direct replacement for the originals but made of solid stainless steel.


This kit contains the following:

2 X 65-5904 - Brake Spring

1 X 42-6046 - Return Spring


Material: Stainless steel

Finish: Polished - Tumbler


These springs are an improvement for a number of reasons! 

  • Structural integrity - They will do their job for longer! Stainless is stronger than the original steel and even more so when compared to Chromium Vanadium springs.
  • Resistance to corrosion - no more rusty springs!
  • Aesthetic Appeal - let face it, they look better!
  • Environment purity - With no rust flakes falling off, these springs will also keep the area's around them cleaner.
  • Easy to Clean - had them fitted for a while? a quick clean off and they look like new all over again!

These springs were fitted on a lot of hubs including Crinkle hubs. These were fitted to the following models:

A7, A10, B31, B32, B33, B34, Goldstar, Rocket gold star (RGS)

These springs may fit other models but please check your part numbers.


Each of the springs 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".

42-6046 / 65-5904 - Hub Spring kit (Swing arm)

  • Brand: CPC Engineering
  • Product Code: 42-6046 / 65-5904 - Hub Spring kit
  • Availability: In Stock
  • £14.40

  • Ex Tax: £12.00

Related Products

42-6046 - Brake pedal return spring (Swing arm)

42-6046 - Brake pedal return spring (Swing arm)

Here you have one BSA brake pedal return spring, produced as a direct replacement for the ..

£12.00 Ex Tax: £10.00

Tags: BSA, brake, shoe, return, spring, replacement, original, stainless, steel, Part, number, 42-6046, 65-5904, hub, Spring, kit, crinkle, hub, rear, wheels, A7, A10, B31, B32, B33, B34, Goldstar, Rocket, gold, star, RGS,