Mountain bike suspension servicing
EXT Suspension Service New Zealand
Professional servicing, repairs, setup and tuning for compatible EXT mountain bike suspension from our Queenstown workshop.
Workshop experience
EXT Service Support
CJSUSPENSION services the EXT fork and rear-shock products shown below. Exact requirements depend on the product generation, condition and parts availability.
Supported product families
EXT Models We Service
ERA and Storia have dedicated model-family pages. E-Storia, Arma and Aria are also supported and can be booked directly from this hub while their exact specification is confirmed.
Enduro suspension fork
EXT ERA Family
Servicing, repairs and setup for compatible EXT ERA-family forks, including ERA and ERA V2.1 variants.
Common workshop services
- 25-hour lower-leg refresh
- 50-hour lower-leg service
- 100-hour complete fork service
- Damper servicing
- Custom setup and tuning
Exact ERA generation and internal specification are confirmed before servicing.
View EXT ERA Service
Coil rear shock
EXT Storia Family
Complete servicing, spring setup and tuning for compatible EXT Storia V3, V3S and V4 shocks.
Common workshop services
- 100-hour complete shock service
- Coil spring setup
- Damper setup and tuning
- Fault diagnosis
Provide the exact Storia generation, shock size and bike model when booking.
View EXT Storia Service
E-MTB coil rear shock
EXT E-Storia
Complete servicing, spring setup and tuning for compatible EXT E-Storia shocks.
Common workshop services
- 100-hour complete shock service
- Coil spring setup
- Damper setup and tuning
- Fault diagnosis
Provide the exact shock size, production version and bike model when booking.
Book EXT E-Storia Service
Coil rear shock
EXT Arma Family
Complete servicing, spring setup and tuning for compatible EXT Arma V3 and Arma V4 shocks.
Common workshop services
- 100-hour complete shock service
- Coil spring setup
- Damper setup and tuning
- Fault diagnosis
Exact Arma generation, shock size and parts requirements are confirmed before servicing.
Book EXT Arma Service
Air rear shock
EXT Aria
Air-sleeve maintenance, complete servicing, setup and fault diagnosis for compatible EXT Aria shocks.
Common workshop services
- 25-hour air-sleeve refresh
- 50-hour air-sleeve service
- 100-hour complete shock service
- Air-volume and setup checks
- Fault diagnosis
Exact Aria specification and parts availability are confirmed before work begins.
Book EXT Aria Service
Tools & resources
Helpful Suspension Tools
Useful tools for hardware fitment, service timing and coil spring setup.
Fitment resource
Shock Hardware Database
Find the correct mounting hardware size for your frame and rear shock.
Service interval tool
Suspension Hour Meter
Track your ride hours and stay on top of fork, shock and dropper service intervals.
Coil setup tool
Spring Rate Calculator
Calculate a starting coil spring rate from your rider, bike and shock details.
Before booking
Identify the Exact EXT Product
Provide the exact model, generation, dimensions and clear product-identification photos so service requirements and parts availability can be confirmed.
Service information
EXT Service FAQs
Common questions about compatibility, servicing and parts availability.
Which EXT products does CJSUSPENSION service?
CJSUSPENSION supports the EXT ERA, Storia, E-Storia, Arma and Aria products shown on this page. Exact generation, condition and parts availability are confirmed before work begins. Other EXT products can be checked case by case.
What if my EXT suspension needs extra parts?
The unit is inspected during servicing. If additional parts or repair work are required, CJSUSPENSION will confirm the work before proceeding unless an additional-work allowance has been selected on the booking form.
Ready to book?
Book Your EXT Service
Book online, then drop your suspension at the Queenstown workshop or send it by tracked courier from anywhere in New Zealand.