Mountain bike suspension servicing
FAST Suspension Service New Zealand
Professional servicing, repairs, setup and tuning for compatible FAST Suspension rear shocks, damper cartridges and upgrade kits.
Workshop experience
FAST Suspension Support
CJSUSPENSION supports the FAST rear-shock families and fork damper products shown below. Exact service requirements depend on the product generation, condition and parts availability.
Confirmed product families
FAST Products We Service
Fenix, Ride and Holy Grail have dedicated model-family pages. FAST fork cartridges and upgrade kits remain on this brand hub and are handled through their compatible host fork.
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 cartridges
FAST SC4 / SC5 / CO3 Cartridges
Workshop support for FAST damper cartridges fitted to compatible host forks.
Common workshop services
- Cartridge servicing
- Fault diagnosis
- Host-fork assessment
- Setup after service
These are serviced as damper cartridges within their compatible host fork rather than as standalone model pages.
Book FAST Cartridge Support
Fork performance upgrades
FAST 3 Way / UP / DC3 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 they remain on the FAST hub rather than receiving separate suspension-model pages.
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 requirements and parts availability can be confirmed.
Service information
FAST Suspension Service FAQs
Common questions about compatibility, servicing and parts availability.
Does CJSUSPENSION service every FAST product?
This page lists the FAST products CJSUSPENSION has confirmed workshop experience with: Fenix, Ride, Holy Grail and the supported SC4, SC5, CO3, 3 Way, UP and DC3 cartridge or upgrade families.
Do FAST cartridges and upgrade kits need separate model pages?
No. SC4, SC5, CO3, 3 Way, UP and DC3 are supported through the compatible host fork and remain on this brand hub rather than receiving separate suspension-model pages.
Ready to book?
Book Your FAST Suspension Service
Book online, then drop your suspension at the Queenstown workshop or send it by tracked courier from anywhere in New Zealand.