Mountain bike suspension servicing & upgrades
FAST Suspension Service & Upgrades New Zealand
Professional servicing, repairs, setup and performance-upgrade installation for compatible FAST Suspension rear shocks, damper cartridges and fork upgrade systems.
Workshop experience
FAST Suspension Support
CJSUSPENSION supports the FAST rear-shock families and fork damper products shown below. Exact service and upgrade requirements depend on the product generation, host suspension and parts availability.
Confirmed product families & upgrades
FAST Products We Service & Upgrade
Fenix, Ride and Holy Grail have dedicated service-family pages. SC5 and DC3 have dedicated performance-upgrade pages. Other confirmed FAST cartridge and upgrade support remains available directly through this hub.
Coil rear shock
FAST Fenix Family
Complete servicing, spring setup and tuning for compatible FAST Fenix and Fenix 2.0 shocks.
Common workshop services
- 100-hour complete shock service
- Coil spring setup
- Damper setup and tuning
- Fault diagnosis
Exact Fenix generation and shock size are confirmed before servicing.
View FAST Fenix Service
Coil rear shock
FAST Ride Family
Complete servicing, spring setup and tuning for compatible FAST RIDE D and RIDE E shocks.
Common workshop services
- 100-hour complete shock service
- Coil spring setup
- Damper setup and tuning
- Fault diagnosis
Exact RIDE version and shock size are confirmed before servicing.
View FAST Ride Service
Coil rear shock
FAST Holy Grail
Complete servicing, spring setup and tuning for FAST Holy Grail shocks.
Common workshop services
- 100-hour complete shock service
- Coil spring setup
- Damper setup and tuning
- Fault diagnosis
Service support is confirmed against the exact Holy Grail shock specification.
View FAST Holy Grail Service
Fork damper performance upgrade
FAST SC5 Fork Cartridge
Supply, installation and rider-specific setup of the FAST SC5 sealed fork damper cartridge for confirmed compatible forks.
Upgrade support
- Fork and generation compatibility check
- Correct SC5 option confirmation
- Professional cartridge installation
- Rider-specific internal setup
- Fork service where required
- Function testing and baseline settings
Exact fork model, production generation, travel and current damper are confirmed before an SC5 cartridge is allocated.
View FAST SC5 Upgrade
RockShox fork compression performance upgrade
FAST DC3 RockShox Fork Upgrade
Three-way compression upgrade for confirmed compatible RockShox Pike Select, Lyrik Select and ZEB applications.
Upgrade support
- Exact fork and damper identification
- DC3 compatibility confirmation
- Professional installation
- Mid- and high-speed valving setup
- External low-speed compression baseline
- Fork service and function check where required
DC3 is model, generation and damper specific. Current confirmed applications include selected Pike Select, Lyrik Select and ZEB configurations.
View FAST DC3 Upgrade
Fork damper cartridges
FAST SC4 / CO3 Cartridges
Workshop support for compatible FAST SC4 and CO3 damper cartridges fitted to supported host forks.
Common workshop services
- Cartridge servicing
- Fault diagnosis
- Host-fork assessment
- Setup after service
These remain supported through their compatible host fork. Exact product and parts support are confirmed when booking.
Book FAST Cartridge Support
Fork performance upgrades
FAST 3 Way / UP Kits
Compatibility checking, installation and workshop support for confirmed FAST fork upgrade kits.
Common workshop services
- Compatibility checking
- Professional installation
- Host-fork servicing where required
- Setup and function testing
These are host-fork upgrades, so support is matched to the exact fork and kit rather than assuming universal compatibility.
Book FAST Upgrade Support
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 FAST Product
Provide the exact model, generation, dimensions and clear product-identification photos so FAST service or upgrade requirements and compatibility can be confirmed.
Service & upgrade information
FAST Suspension FAQs
Common questions about compatibility, servicing, upgrades and parts availability.
Which FAST products does CJSUSPENSION support?
CJSUSPENSION supports the Fenix, Ride and Holy Grail rear-shock families plus confirmed FAST fork damper and upgrade products including SC5, DC3, SC4, CO3, 3 Way and UP applications. Exact compatibility and parts support are checked before work begins.
Why do SC5 and DC3 have dedicated upgrade pages?
SC5 and DC3 are performance upgrades with their own compatibility and setup requirements. Their dedicated pages explain fitment, what the upgrade changes and how CJSUSPENSION installs and configures the product. Other FAST cartridge and kit support remains on this hub where a separate page is not yet needed.
Ready to book?
Book Your FAST Suspension Work
Book online, then drop your suspension at the Queenstown workshop or send it by tracked courier from anywhere in New Zealand.