Quiver

2026 Specialized Rockhopper Sport vs 2025 Cube Reaction Race

The Cube Reaction Race size closest to your M-29 is the M. Compare the M instead

What changes on the Cube Reaction Race

Compared with the Specialized Rockhopper Sport in M-29, the Cube Reaction Race in XXL places the top of the head tube 37 mm higher and 47 mm further forward, relative to the bottom bracket. Its wheelbase is 45 mm longer, which can contribute to stability at speed.

Frame stack
+37 mm
Higher front end
Frame reach
+47 mm
Longer frame reach
Wheelbase
+45 mm
Longer: steadier at speed
Head angle
±0.0°
About the same head angle
Chainstays
n/a
One of the bikes has no number for this

The two frames

We can't draw these frames yet. The Specialized Rockhopper Sport numbers we have for size M-29 are missing the chainstay length. The numbers below still compare.

Geometry side by side

MeasurementSpecialized Rockhopper Sport M-29Cube Reaction Race XXLDifference
Reach425472+47 mm
Stack616653+37 mm
Head tube angle68.568.5°±0.0°
Seat tube angle73.574°+0.5°
Wheelbase11281173+45 mm
BB drop62not listed
BB height310not listed
Standover754not listed
Seat tube length400560+160 mm
Head tube length95142+47 mm
Effective top tubenot listed658
Chainstay lengthnot listed426

Differences are the Cube Reaction Race minus the Specialized Rockhopper Sport. Full charts: 2026 Specialized Rockhopper Sport, 2025 Cube Reaction Race.

Where each sits in its class

Specialized Rockhopper SportCube Reaction Race

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other XC 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 Rockhopper SportSportCube Reaction RaceRace
FrameSpecialized RockhopperCube Reaction
ForkSR Suntour XCMFox 32 Performance
ShifterShimano CUESShimano XT
DerailleurShimano CUESShimano XT Di2 Wireless
CassetteShimano CUESShimano XT
ChainKMC eGlideShimano Deore M6100
CranksetSpecialized Stout ProPraxis Girder
WheelsetSpecialized alloy, disc only, double-wall, 25mm inner width, 32hNewmen Beskar 30 Base
TireSpecialized Ground Control 2BRSchwalbe Racing Ray, Schwalbe Racing Ralph
BrakeShimano MT200Shimano XT
HandlebarSpecialized Mini RiseNewmen Evolution SL
StemSpecialized StoutNewmen Evolution
GripsSpecialized TrailAcid React Pro
SeatpostAlloy, 2-bolt clamp, 30.9mmNewmen Evolution
SaddleSpecialized Bridge SportAcid Nuance Pro
Chainringnot listedPraxis Girder
Rotornot listedShimano XT
Headsetnot listedAcros AZF-675

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