Product Description
The RockShox Super Deluxe Ultimate DH is a high-performance rear air shock custom tuned by the Trek Suspension Lab for compatible 2018–2021 Trek Session 29-inch downhill bikes.
This 225 x 70mm trunnion-mount shock combines a DebonAir air spring with an Ultimate RC damper for controlled suspension performance on demanding downhill terrain. External rebound and low-speed compression adjustments allow riders to fine-tune the shock for trail conditions, riding style, and preferred suspension feel.
The shock features medium rebound and compression tunes, 10 rebound clicks, approximately 2.5 volume-reducer tokens, and a maximum air pressure of 285 PSI.
Key Features
- Genuine RockShox Super Deluxe Ultimate DH rear shock
- Custom tuned by Trek Suspension Lab
- Designed for compatible 2018–2021 Trek Session 29-inch models
-
225 x 70mm eye-to-eye and stroke
- Trunnion upper mount
- DebonAir air spring
- Ultimate RC damper
- External rebound adjustment
- Low-speed compression adjustment
- Medium rebound tune
- Medium compression tune
- Approximately 2.5 volume-reducer tokens
- E-bike approved
- Gloss black finish
Specifications
- Brand: RockShox
- Model: Super Deluxe Ultimate DH
- Model Code: RS-SDLX-ULDH-B2
- Example Serial Number: 30T91741257
- Product Type: Rear Air Shock
- Eye-to-Eye Length: 225mm
- Stroke: 70mm
- Configuration: 225x70 TR
- Air Spring: DebonAir
- Damper Type: RC
- Remote: No
- Rebound Adjustment: External
- Rebound Clicks: 10
- Compression Adjustment: Low-speed compression
- Rebound Tune: Medium
- Compression Tune: Medium
- Pedal Tune: Not applicable
- Lockout: None
- Volume Reducer: Approximately 2.5 tokens
- Check Tune: Standard
- Maximum Air Pressure: 285 PSI
- E-Bike Approved: Yes
- Shock Body Color: Black
- Decal Color: Black
- Finish: Gloss
- In-House SKU: W592165
Mounting Dimensions
Upper Mount
- Mount Type: Trunnion
- Width: 54mm
- Hardware Diameter: 10mm
Lower Mount
- Mount Type: Standard eyelet / pin
- Width: 40mm
- Hardware Diameter: 8mm
Compatibility
Designed specifically for compatible:
- 2018 Trek Session 29
- 2019 Trek Session 29
- 2020 Trek Session 29
- 2021 Trek Session 29
The frame must require:
-
225 x 70mm rear shock dimensions
- Trunnion upper mounting
- 54mm upper mounting width
- 10mm upper hardware diameter
- 40mm lower mounting width
- 8mm lower hardware diameter
- Compatible Trek Suspension Lab tune
Rear shocks are highly frame-specific. Matching the eye-to-eye length and stroke alone does not guarantee compatibility. Please confirm the bicycle model, model year, frame size, mounting dimensions, and required shock tune before purchase.
Included
- RockShox Super Deluxe Ultimate DH 225 x 70mm rear shock
- Factory-installed volume reducers
- Includes only what is pictured and described
Warranty and Notes
- Genuine Trek and RockShox replacement component
- Custom Trek Suspension Lab tune
- 30T91741257 is an example serial number for model reference only
- The serial number on the item received may differ
- Frame mounting bolts and additional hardware are included only when pictured or stated
- Professional installation and suspension setup are recommended
- Do not exceed the maximum air pressure of 285 PSI
Condition
- New
- Genuine RockShox and Trek OEM product
- Includes only what is pictured and described
