Product Info
Details + Specs
S-Works Epic 9 Ultralight LTD
Speed built for the dirt
Epic 9 represents 24 years of winning XC innovation, distilled into the fastest race bike in the world. We started with Epic 8’s world-beating benchmark, then removed what held it back — 206 grams gone, making Epic 9 the lightest full-suspension XC race bike on the planet.
Best for: Cross-country racing, fast trail riding and efficient climbing.
At a glance
Frame
S-Works FACT 12m Carbon, Progressive XC Race Geometry, Rider First…
Fork
RockShox SID SL Ultimate, 3-position Ride Dynamics, Debon Air, 15x110mm…
Shock
RockShox SIDLuxe Ultimate, 3-position Ride Dynamics, TwistLoc remote…
Drivetrain
SRAM XX SL Eagle AXS Transmission
Brakes
TRICKSTUFF Piccola, 2-piston hydraulic disc, carbon lever blades…
Weight
8.55kg (18lb 14oz), size Medium
Key highlights
Progressive XC Race Geometry with a race-focused 110mm of travel — shorter than the standard Epic 9 — for the lightest full-suspension build in the range.
a 110mm-travel fork paired with a SIDLuxe Ultimate shock and TwistLoc remote for efficient, ultra-light XC performance.
carbon-lever, titanium-hardware 2-piston brakes — among the lightest hydraulic disc brakes made — shave grams exactly where it counts.
flagship wireless 12-speed shifting paired with a Quarq power meter crankset for race-day precision.
Complete specification
Full build details
Components are grouped by bike system so the complete build is easy to scan.
Frameset
Frame
S-Works FACT 12m Carbon, Progressive XC Race Geometry, Rider First Engineered™, threaded BB, 12x148mm UDH-compatible rear dropout, internal cable routing, 110mm travel
Suspension
Fork
RockShox SID SL Ultimate, 3-position Ride Dynamics, Debon Air, 15x110mm thru-axle, 44mm offset, 110mm travel
Rear Shock
RockShox SIDLuxe Ultimate, 3-position Ride Dynamics, TwistLoc remote adjust, Solo Air, 190x45mm
Brakes
Front Brake
TRICKSTUFF Piccola, 2-piston hydraulic disc, carbon lever blades, titanium hardware, 160mm rotor
Rear Brake
TRICKSTUFF Piccola, 2-piston hydraulic disc, carbon lever blades, titanium hardware, 160mm rotor
Drivetrain
Shifters
SRAM AXS POD Ultimate, discrete clamp
Rear Derailleur
SRAM XX SL Eagle AXS Transmission
Cassette
SRAM CS-1299, 12-speed, 10-52t
Chain
SRAM XX SL Eagle Transmission, 12-speed Flattop
Crankset
SRAM/Quarq XX SL Eagle Power Meter, DUB, 34t (165mm SM / 170mm M-XL)
Bottom Bracket
CeramicSpeed Alpha, DUB
Wheels and tyres
Wheels
Roval Control SL World Cup carbon, DT Swiss ceramic-bearing hubs
Tyres
Specialized Air Trak, Flex Lite casing, T5/T7 compound, 29x2.35 (front and rear)
Cockpit and contact points
Seatpost
Bike Yoke Divine SL dropper, 30.9mm (100mm SM / 125mm M-XL travel)
Saddle
S-Works Power with Mirror
Weight and sizing
Weight
8.55kg (18lb 14oz), size Medium
Other build details
Cockpit
Roval Control SL integrated cockpit, -6 degree, 60/70mm
Weight is based on a production painted bike in the stated reference size. Actual weight can vary with colour, size and component variation. Specifications are subject to change without notice.