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Domain Gold RC fork with Isolator damper, DebonAir spring, and 38mm chassis
What Our Gearhead® Experts Are Saying:
"The Domain Gold RC feels planted and supportive when I’m hammering down rough descents. The large stanchions keep it stiff under load, and the DebonAir spring smooths out chatter like a coil. With the Isolator damper, I can fine-tune support and sensitivity for both pedaling and descending, which makes it versatile for long trail days or enduro stages."
The RockShox Domain Gold RC in its 29in, 150mm configuration delivers reliable suspension for aggressive trail and enduro bikes. Its 38mm stanchions and forged, hollow aluminum crown keep the chassis stiff when tracking through technical terrain, while magnesium lowers and Fast Black upper tubes ensure a smooth, responsive stroke.
The Isolator RC damper pairs three-position compression adjustment—Open, Pedal, and Firm—with external rebound control, giving riders the ability to fine-tune suspension for climbs, descents, and rolling transitions. Combined with the DebonAir spring, the fork sits high in its travel for added support while maintaining a coil-like suppleness throughout the stroke. Bottomless Token compatibility allows further progression tuning for riders who prefer a more ramped feel deeper in travel.
This 29in Domain Gold RC supports modern trail and enduro setups with Boost spacing, a tapered steerer, and clearance for rotors ranging from 200mm to 220mm. It comes fully e-bike approved with a system weight rating up to 375lb/170kg, making it a dependable choice for riders pushing hard on big bikes.
Details
- Built for aggressive enduro and e-MTB riding
- Isolator RC damper with 3-position compression and rebound adjustment
- DebonAir spring delivers smooth, coil-like feel and tunable progression
- 38mm stanchions and forged aluminum crown maximize stiffness and control
- Compatible with 200–220mm rotors for powerful stopping setups
- Bolt-on fender included for protection in wet conditions
- Maxima Plush Dynamic Suspension Lube enhances performance and longevity
- Approved for e-bike use with a 375lb/170kg system weight limit
- Item #RSXB081
- Travel
- 150mm, 160mm, 170mm, 180mm
- Stanchion Material
- aluminum
- Lower Material
- magnesium
- Crown Material
- hollow aluminum
- Wheel Size
- 29in
- Steer Tube Diameter
- 1.5in tapered
- Stanchion Diameter
- 38mm
- Rake
- 44mm
- Spring Type
- DebonAir air
- Damper
- Isolator RC
- Adjustability
- External rebound, 3-position
- Lockout
- yes
- Axle
- 15x110mm Boost,
- Brake Compatibility
- disc
- Rotor Compatibility
- 200 – 220mm
- Claimed Weight
- 4lb 1oz (1842g)
- Manufacturer Warranty
- limited 2 years
- Activity
- enduro, trail

RockShox: Built for Bigger Hits
RockShox pioneered mountain bike suspension and keeps pushing it forward, building forks, shocks, and droppers that stay composed in the big hits and keep riders faster, more supported, and in control when the trail turns fast and rough.