RockShox Vivid Coil Ultimate DH D1
The RockShox Vivid Coil Ultimate DH D1 is a downhill-specific coil rear shock that pairs RCT2 damping with a Base Valve and Adjustable Bottom-Out (ABO) for unmatched suppleness, mid-stroke support and predictable end-stroke control.
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Product Details
Coil Performance & RCT2 Technology
Key Features & Real‑World Benefits
Fit, Sizing & Compatibility
Who This Shock Is For
Key Features
- ✓ RCT2 damper: independent low & high speed compression adjustments
- ✓ Base Valve reduces IFP forces by ~40% for ultra-supple action
- ✓ Adjustable Bottom-Out (ABO) with five positions for last 20% travel
- ✓ RC2 hydraulic bottom-out protects frame and rider on big hits
- ✓ High-alloy steel coil with preload adjust for precise sag tuning
- ✓ Multiple eye-to-eye sizes and standard/trunnion mounting options
- ✓ Factory settings (Reb55 / Comp34, Neck Valve5) tuned for DH
- ✓ Compatible with Santa Cruz V10 2018+ and similar DH frames
Specifications
Product Identifiers
Frequently Asked Questions
Is the Vivid Coil Ultimate DH D1 compatible with my frame?
Compatibility depends on your frame’s eye‑to‑eye length, stroke and mount type (standard vs trunnion). This model is available in multiple sizes (225x72.5 through 250x75) and is factory-listed for Santa Cruz V10 2018+. Measure your current shock and compare the dimensions or consult your frame manufacturer before purchase.
How do I set sag and what spring rate should I run?
Set sag using the coil preload until you reach the recommended sag percentage—DH setups commonly start around 25% of travel and are tuned from there. Spring rate depends on rider weight, kit and riding style; consult a coil spring chart or Forest Bikes tech for a suggested rate and use small preload adjustments for fine-tuning.
What does Adjustable Bottom-Out (ABO) do and when should I use it?
ABO lets you change the last-20% compression firmness across five settings. Use softer ABO for maximum traction and small-bump sensitivity, and increase firmness for heavy landings or to reduce harsh bottoming on big hits. It’s a quick, on-trail way to tune end-stroke behavior without changing springs or damper internals.
Can this shock be converted to an air shock?
No. The Vivid Coil Ultimate is designed as a coil-sprung shock and does not offer an air conversion. If you want an air-based package you'll need to choose an appropriate RockShox air model or another compatible air shock.
What are the recommended service intervals?
Inspect the shock after every riding day for obvious damage and clean the seals regularly. RockShox generally recommends basic service (seal/air can inspection and lubrication) every 50 hours and damper service every 125–200 hours depending on conditions. For precise intervals and factory procedures, follow RockShox service documentation or have an authorized service center perform maintenance.
Will the stock damping work for racing or do I need to reval?
Factory settings (Reb55 / Comp34, Neck Valve5) are a balanced starting point for many downhill riders, but racers often fine-tune LSC/HSC and rebound for specific tracks and style. The RCT2 damper offers wide adjustability, and this shock is also serviceable for custom valving if you need a very specific feel.
Buying Guide
When buying a downhill coil rear shock, prioritize three things: correct eye-to-eye/stroke dimensions for your frame, an appropriate spring rate for your weight and riding style, and a damper with the adjustability you need—like the RCT2’s independent LSC/HSC and external rebound. Also confirm mount type (standard vs trunnion) and whether your frame calls for specific bushing or spacer hardware. Consider the terrain you ride: if you’re on steep, high-speed tracks and hitting big landings regularly, the Adjustable Bottom-Out (ABO) and RC2 hydraulic bottom-out provide crucial protection and tunability. Finally, factor in serviceability; a shock with accessible parts and established dealer support keeps you running optimally all season.
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