Quiver

2023 Specialized Demo Race vs 2025 Forbidden Supernought

The Forbidden Supernought size closest to your S3 is the S2. Compare the S2 instead

What changes on the Forbidden Supernought

Compared with the Specialized Demo Race in S3, the Forbidden Supernought in S3 places the top of the head tube 17 mm higher and 20 mm further forward, relative to the bottom bracket. Its wheelbase is 36 mm longer, which can contribute to stability at speed.

Frame stack
+17 mm
Higher front end
Frame reach
+20 mm
Longer frame reach
Wheelbase
+36 mm
Longer: steadier at speed
Head angle
+0.3°
Steeper: sharper steering
Chainstays
n/a
One of the bikes has no number for this

The two frames

2023 Specialized Demo Race (S3)The Specialized Demo Race frame drawn to scale.J 1259

Only the Specialized Demo Race is drawn. The Forbidden Supernought numbers we have for size S3 are missing the chainstay length.

Geometry side by side

MeasurementSpecialized Demo Race S3Forbidden Supernought S3Difference
Reach446mm466+20 mm
Stack632mm649+17 mm
Head tube angle62.8°63.1+0.3°
Seat tube angle76.8°75.8−1.0°
Chainstay length448mmnot listed
Wheelbase1259mm1295+36 mm
Seat tube length420mm440+20 mm
Head tube length105mm110+5 mm
Effective top tubenot listed629
BB dropnot listed-10.6
BB heightnot listed350
Standovernot listed769

Differences are the Forbidden Supernought minus the Specialized Demo Race. Full charts: 2023 Specialized Demo Race, 2025 Forbidden Supernought.

Where each sits in its class

Specialized Demo RaceForbidden Supernought

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other downhill bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.

What each ships with

The stock build of each bike's first listed trim. Parts that match are dimmed.

PartSpecialized Demo RaceRaceForbidden Supernought1
ForkÖhlins DH38 M.1 29RockShox BoXXer Ultimate
Rear shockÖhlins TTX 22RockShox Vivid Coil Ultimate
ShifterSRAM X0 1 DHSRAM Pod Rocker Controller
DerailleurSRAM X01 DHSRAM XX DH Transmission
CassetteSRAM X01 DHSRAM XX DH
ChainSRAM PC-1130SRAM X0 Eagle Transmission
CranksetSRAM X01 DHSRAM XX DH
Bottom bracketSRAM DUBSRAM DUB
TireSpecialized ButcherMaxxis ASSEGAI, Maxxis DHRII
HubDT Swiss 350crankbrothers Synthesis Ratchet
BrakeMagura MT7SRAM Maven Silver
HandlebarRenthal Fatbar 35Burgtec Ride Wide DH
StemRenthal Integra35Burgtec Direct Mount
GripsSpecialized Deity Lockjawnot listed
SaddleSpecialized Henge DHfizik Gravita Alpaca
Framenot listedSupernought Full Carbon
Chainringnot listedSRAM 34T
Rimnot listedcrankbrothers Synthesis Alloy 2.0 DH
Rotornot listedSRAM HS2
Headsetnot listedCane Creek 40
Seatpostnot listedBurgtec Xpress
Accessorynot listedForbidden HD Guide, E.13 LG1 Plus

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