Progressive Fork Springs

€ 99,50 Incl. VAT

Progressive springs which replace the original fork springs... and radically change the behavior and comfort of your bike!

See details and applications below.

In stock
Article number:
GRG006 (C)
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- Triumph Bonneville, Thruxton, Scrambler (toutes versions 2001-2016, 790/865cc)
- Triumph Street Twin 900 (2016+) 

Note 1: on Bonneville versions with alloy/mag wheels, you will need to correct the pitch by shortening 30mm the upper spacers (those that are interposed directly on top of the spring).

Note 2: on Street Twin 900, these springs will only fit with our pre-load adjusters (here), you need to order both !

Not suitable for America or Speedmaster.

We guarantee that you will be amazed with the result, we did not really believe before trying them but now all our motorcycles are equipped! The main difference is that our springs are progressive, that is to say multi-frequency, while the original springs are single frequency (single spring, the loops are regular).

The length is the same as the original, these springs do not change the height of the bike. Length 33cm for Bonneville/Scrambler, 31.5 cm for Thruxton.

Sold in pairs.


Pretty easy mounting, with basic tools. No modification of the bike required, installation is completely reversible.

12 month warranty.

pascal MINARD Posted on 1 November 2015 at 18:10

Montage assez simple en opérant ressort après ressort, mais pas irréversible sur une Bonneville Newchurch car il faut réduire la hauteur des cales d'origine. Plus confortable, détente moins sèche, et avec des amortisseurs arrière également changés, belle amélioration de l'amortissement et du confort.

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