Bitubo ECH29 Cartridge Kit – Suzuki GSXR600

ECH29 Gas Pressurized Cartridges are supplied with the following adjustments:
  • Spring preload (range 12 mm in 6 turns)
  • Compression adjustment(24 clicks)
  • Rebound adjustment(24 clicks)
  • Includes springs and oil

Please allow 2 to 3 weeks for delivery.



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The new ECH pressurized cartridge containing a sequence of innovative systems, such as: FPS, EC and LC. These systems are the result of an extensive research and development by our R&D Department in collaboration with the best Teams taking part at the SBK World Championship and also at the British and Italian Championship. All the information about these systems can be found in the following pages.

TARGET: To offer the rider the highest stability to the front end, thanks to its perfect control of deceleration even under the hardest braking; it increases the grip entering and exiting a curve thanks to its immediate hydraulic control; a more uniform tire wear thanks to its instant control of applied force. All this gives the rider the best control under braking, even at extreme angles, and the best curves on any kind of tracks.


  • Hydraulic piston with FPS® system ( Patent Pending) Ø27mm, in Ergal material
  • Pumping rods with Ø10mm with surface coating against friction.
  • Mechanical end-stroke with polyurethane bump stop
  • CrSi steel springs, with heat treatment, stabilising procedure and final shot-basting with steel balls.
  • Upper cap of the fork with integrated hydraulic spring preload
  • Independent damping adjustment in compression and rebound
  • Coaxial compensation chamber (Patent Pending)
  • Ergal cartridge body with internal surface coating against friction
  • Separated Hydraulic/sliding lubrication

On the top cap there are all adjustments: the spring preload is for the first time supplied with hydraulic actuation, while rebound and compression are separated on the two cartridges in a simpler and more convenient way.

EC Easy Changer: this is a quick change system: fast replacement of the spring, already available in the previous YCE cartridge version, with a free key and a new exclusive cartridge dismantling system, which does not require the fork removal. This system makes the set-up bike modification easier by racing technicians.

LC Light Components: this product is manufactured with a high percentage of special light alloys, thus decreasing the weight of the previous YCE considerably.

FPS®, Full Pressure System represents the highest efficiency and practicality of this patented system. This innovative damping system is created for immediate fork oscillation control, thus avoiding any cavitation of the internal fluid. This system is low pressure gas pressurized. The cartridges are asymmetric: where one controls the compression, the other one controls the rebound. With two alternate chambers at the two ends, it is possible to reach a very high damping coefficient even at very low speed.

The package is supplied with Full Synthetic FUCHS SILKOLENE offering rich sliding, for the external lubrication, granting a perfect consistency and performance. It is available for the most popular 600-1000cc bikes on the market.

Additional information

Weight 8 lbs

2004-2005, 2006-2007, 2008-2010, 2011-2014