Product Description
The RockShox Deluxe Ultimate RCT 205x57.5 rear shock is a premium air shock built for today’s highly capable trail bikes, blending low weight with a wide tuning range and excellent trail control. The updated DebonAir Linear air spring gives riders more flexibility to fine-tune the feel of the shock, while the independent low speed compression and rebound adjustments let you dial in exactly how the bike responds on the trail.
This Ultimate-level version features a 2-position open/firm compression lever, a wider rebound adjustment range, and is E-bike approved. With its 205 x 57.5mm trunnion sizing, standard lower eyelet, and refined damping layout, it is a strong option for riders building or replacing a modern high-performance trail setup.
Product Specifications
Shock
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Model: RockShox Deluxe Ultimate RCT
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Item Number: 00.4118.357.014
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Series: Ultimate
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Size: 205mm x 57.5mm
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Eye to Eye: 205mm
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Stroke: 57.5mm
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Spring Type: Air
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Air Volume: DebonAir Linear
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Damper Type: RCT
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Remote: No
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Rebound Tune: Linear
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Compression Tune: L
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Pedal Tune: n/a
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Lockout Force: 380
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Damping Adjustments: External rebound, 2-position open/firm with compression adjust
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Rebound Clicks: 10
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Volume Reducer: 1 positive token, 0 negative tokens
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Check Tune: 0 - Light
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Max Air Pressure: 360 PSI
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E-Bike Approved: Yes
Mounting
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Shaft Eyelet: Trunnion
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Body Eyelet: Standard
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Mount Type Upper: Trunnion
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Mount Type Lower: Pin
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Width Upper: 54mm
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Width Lower: 12.7mm
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Hardware Diameter Upper: 10mm
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Hardware Diameter Lower: 8mm
Finish
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Shock Body Color: Black
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Decal Color: Matte Polar Foil
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Decal Orientation: A
Compatibility
- Compatible with frames requiring a 205 x 57.5mm rear shock
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Upper mount: Trunnion
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Lower mount: Standard / Pin
- Confirm exact frame fitment, hardware requirements, and tune compatibility before purchase
Included
- RockShox Deluxe Ultimate RCT rear shock
- Includes only what is shown in the photos
Not Included
- Mounting hardware unless shown
- Remote
- Any additional small parts or accessories
Warranty and Notes
- Genuine RockShox replacement part
- Component compatibility varies by frame and suspension design
- Example serial number: 14T20011730
- Trek or SRAM/RockShox dealer installation is recommended for proper setup and fitment
