Quiver

2026 Commencal Supreme DH V5 Signature vs 2024 Specialized Demo Race

The S4 is the Specialized Demo Race size closest to your M High Commencal Supreme DH V5 Signature. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.

What changes on the Specialized Demo Race

Compared with the Commencal Supreme DH V5 Signature in M High, the Specialized Demo Race in S4 places the top of the head tube 14 mm lower and 6 mm further forward, relative to the bottom bracket. Its wheelbase is 3 mm longer, which can contribute to stability at speed.

Frame stack
−14 mm
Lower front end
Frame reach
+6 mm
Longer frame reach
Wheelbase
+3 mm
Longer: steadier at speed
Head angle
−0.9°
Slacker: calmer steering
Chainstays
−4 mm
Shorter: livelier

The two frames

2026 Commencal Supreme DH V5 Signature (M High) and 2024 Specialized Demo Race (S4), lined up at the bottom bracketBoth frames drawn to scale. The Commencal Supreme DH V5 Signature is drawn in full with its measurements, and the Specialized Demo Race is the colored outline on top.J 1281

Commencal Supreme DH V5 Signature, M HighSpecialized Demo Race, S4Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementCommencal Supreme DH V5 Signature M HighSpecialized Demo Race S4Difference
Reach460 mm466mm+6 mm
Stack646 mm632mm−14 mm
Head tube angle63.7°62.8°−0.9°
Seat tube angle76.1°76.8°+0.7°
Effective top tube619 mmnot listed
Chainstay length452 mm448mm−4 mm
Wheelbase1281 mm1284mm+3 mm
BB drop3 mmnot listed
Seat tube length370 mm420mm+50 mm
Fork length612 mmnot listed
Head tube length112 mm105mm−7 mm

Differences are the Specialized Demo Race minus the Commencal Supreme DH V5 Signature. Full charts: 2026 Commencal Supreme DH V5 Signature, 2024 Specialized Demo Race.

Where each sits in its class

Commencal Supreme DH V5 SignatureSpecialized Demo Race

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.

PartCommencal Supreme DH V5 SignatureSignatureSpecialized Demo Race
FrameCommencal SUPREME DH V5not listed
ForkFox 40 Factorynot listed
Rear shockFox DHX2 Factorynot listed
ShifterSRAM GX DHnot listed
DerailleurSRAM GX DHnot listed
CassetteSRAM GX DHnot listed
ChainSRAM PC1110not listed
CranksetSRAM Descendant DHnot listed
Bottom bracketSRAM DUBnot listed
WheelsetDT Swiss 350not listed
TireMaxxis Minion DHR II, Maxxis Rollernot listed
HubDT Swiss 350not listed
RimDT Swiss FR571, DT Swiss FR 541not listed
BrakeSRAM Mavennot listed
RotorSRAM HS2not listed
HandlebarBurgtec Ride Widenot listed
StemBurgtec MK3 DHnot listed
GripsODI Longneck V2.1not listed
HeadsetCane Creek Serie 40not listed
SeatpostRide Alpha 31.6mm 250mmnot listed
Saddlefizik Gravita Alpaca X5not listed
Accessorye*thirteen LG1not listed

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet