RD150 (Longer) which replaces 97-4324

Fork damper kits (pair) to suit all BSA / Triumph T140 T150 A75 with  aluminium forks, both conical and disc:

• Improved damping in both compression and rebound ensuring the wheel follows the road contours and does not bounce over them.

• Originally developed and supplied by Richard Darby of 3D Motorcycles.

• Manufactured in Coventry, UK for Richard, and now available from us.

• These kits are a direct replacement for the standard fork damper and should be used with standard fork springs, not "progressive"

• It is recommended to use 15 SAE oil or 10 SAE, 5 SAE for F750 bikes

• You will need to swap over your existing damper spring and the top damper nut and oil seal. 

• It is recommended that you can use the modified phenolic damper oil seal 97-4003P as part of the conversion