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Kawasaki GPZ900R 1984-1998

Nitron Big-Piston Integral Pressurised Gas-Monotube Rear Shock Absorber for Kawasaki GPZ900R 1984-1998
[+] CLICK HERE FOR A LARGER IMAGE...

Nitron Big-Piston Integral Pressurised Gas-Monotube Rear Shock Absorber for Kawasaki GPZ900R 1984-1998

Ref: NITRON-GPZ900R


Simply fit and feel the ride

Made in Britain, all Nitron shocks supplied by HPS feature the highest quality components and are totally rebuildable and backed with a full UK technical support and service operation.

When ordering from HPS, please include your weight (with any specific requirements you may have regarding whether you want a lower or higher default seat height - i.e. if you are taller or shorter than average) and state how your bike is used (i.e. road solo only, road with pillion, road and track or track only/race, etc.) as we will be building your shock for your specific order with the optimum length, spring rate and damper adjustments pre-set for you.

Please don't hesitate to call us at HPS to ask your suspension questions - we will be very happy to discuss your needs and assist.



Best products of the year feature

"Nitron Sport shock... Affordable, high quality suspension unit for road riders."
Rupert Paul, Journalist, BIKE magazine


After fitting the Nitron shock our customer said...

"I was slightly surprised when I sat on the bike that the suspension moved and that when I rode it my pelvis did not flex. It also became apparent that I don't have double vision at speeds over 60mph after all... and the seat is not in fact made of forged steel. My kidneys appear to be in the same place they were at the start of the ride which is a bonus.

The downside is that the plushness of the rear end now highlights just how bad the forks are... The upside is that I don't have to buy a new seat!

I should have done this years ago. Thanks for your help."

MG, Swindon





Choose from NTR R1 or NTR R3... built just for you, to your exact specification, from your suspension specialists, HPS

NTR R1 - The perfect, compliant and controlled shock
With its full 40mm diameter piston, the Nitron NTR R1 will outperform much more expensive shock absorbers from the "bigger" manufacturers and will always offer a significant improvement in comfort and response over the OE shock fitted to your bike - even if the OE unit has a remote or piggy-back reservoir. It features a totally uncomplicated single adjuster knob which easily tunes both rebound and compression damping simultaneously - making it perfect for the road biased rider. And, don't forget, for most bikes we offer a special build service for shorter riders who need a lower seat height; please ask for details.

  • HPS will build your shock to order with the specification based on your individual needs and with all adjustments pre-set
  • Large 40mm piston for more precise and consistent damping control (23.5% more damping oil flow than Öhlins TTX 36mm piston)
  • Very straightforward single adjuster for rapid combined damping adjustment if needed
  • Manufactured with a hard-anodised corrosion-resistant aluminium alloy CNC machined body using the highest quality internal components
  • Pressurised Gas-Monotube design
  • Manual preload adjustment with precision Pin-spanner included, or...
  • Optional remote Hydraulic Preload Adjuster (HPA) for near effortless changes to rear ride-height (eliminates use of Pin-Spanner) to vary steering response between road and track (also ideal for shorter riders or for those bikes where the laden weight varies significantly; e.g. from solo to with pillion & luggage)
  • *Adjustable/increasable length as standard (for most bikes please confirm re. your bike prior to ordering) to fine tune ride-height and steering)
  • Shorter shocks available to order for many bikes (please call/contact to confirm) for smaller riders who may wish to lower seat - typical seat height reduction achievable is up to 30mm/1.25"
  • Very light weight (e.g. Triumph 675, more than 0.5 Kg lighter - even with Hydraulic Preload Adjuster included for Race version)
  • 3rd piston Shim-Stack for very low speed rebound damping control
  • Teflon lined low-friction rose jointed eyes where applicable (bike-dependent end fittings may differ from those shown here)
  • Ultra low-friction piston rod seal design
  • Completely rebuildable/re-valvable with rapid UK maintenance and support service
  • By far the highest quality and best value bespoke shock you can buy
  • Includes Full 5 Year Warranty from HPS


NTR R3 - Superb value TRACK-DAY and RACE shock (we can also build this shock for you in ROAD spec.)
Nitron's R3 shocks are designed for the most serious and demanding of riders and, as such, incorporate separate high-speed and low-speed compression damping control valves for further fine-tuning of setup for race bikes or for very high performance road use.

Offering significant dynamic and adjustability range benefits over OE sports bike shocks, this is the perfect unit for anyone looking for the best value performance shock you can buy, making it ideal for mixed road and track use.

In addition to the NTR R1 features above, the NTR R3 also includes...

  • Remote mounted gas pressure reservoir for fade-free consistent high-performance operation
  • Separate compression and rebound damping adjustment for more advanced bike setup

The Nitron NTR R3 is the highest quality, combined with the best value, race shock you can buy.




Please note appearance (i.e. colour, style and position of some components), may vary from those shown.


More Information


Please choose your shock type...

Choose your spring colour...

Tick here to add a Hydraulic Preload Adjuster (HPA) for just £264.00 inc. VAT





(Shipping costs calculated before checkout and 20% UK VAT/tax will be removed for non-UK destinations)




Nitron Hydraulic Preload Adjuster
[+] CLICK HERE FOR A LARGER IMAGE...

Nitron Hydraulic Preload Adjuster

Ref: 54145

The hydraulic preload adjuster allows you to quickly and easily change the preload on the spring via a remote knob making c-spanners and other tools unnecessary.

This is particularly useful for people who regularly take pillion passengers and/or luggage, as it allows you to compensate for a variation in load, maintaining the comfort and handling characteristics of your motorcycle by retaining the correct ride height. It is also very useful for bikes used on the track, particularly for racers as it allows fine tuning of the ride height which often needs to be different from one track to another.

This is normally added at the time a shock is purchased but the unit can also be retrofitted to your existing Nitron shock to replace the manual preload adjustment. Please call HPS to check the availability for your existing shock first as there may be a possibility that the spring will need to be replaced for that of a smaller one and please note the retro fitment of a hydraulic preload adjuster requires your shock to be returned to us.





(Shipping costs calculated before checkout and 20% UK VAT/tax will be removed for non-UK destinations)