Quiver

2025 Specialized Rockhopper Expert vs 2024 Moots Mountaineer SL

The L is the Moots Mountaineer SL size closest to your L Specialized Rockhopper Expert. 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 Moots Mountaineer SL

Compared with the Specialized Rockhopper Expert in L, the Moots Mountaineer SL in L places the top of the head tube 9 mm higher and about as far forward, relative to the bottom bracket.

Frame stack
+9 mm
Higher front end
Frame reach
−1 mm
About the same reach
Wheelbase
n/a
One of the bikes has no number for this
Head angle
−0.5°
Slacker: calmer steering
Chainstays
+5 mm
Longer: more planted

The two frames

2025 Specialized Rockhopper Expert (L)The Specialized Rockhopper Expert frame drawn to scale.J 1152

Only the Specialized Rockhopper Expert is drawn. The Moots Mountaineer SL numbers we have for size L are missing the wheelbase.

Geometry side by side

MeasurementSpecialized Rockhopper Expert LMoots Mountaineer SL LDifference
Reach445.0444−1 mm
Stack626.0635+9 mm
Head tube angle68.5068−0.5°
Seat tube angle73.5073.75+0.3°
Effective top tubenot listednot listed
Chainstay length440.0445+5 mm
Wheelbase1152.0not listed
BB drop62.060−2 mm
BB height310.0314+4 mm
Standover781.0828+47 mm
Seat tube length450.0495+45 mm
Fork lengthnot listednot listed
Head tube length105.0120+15 mm

Differences are the Moots Mountaineer SL minus the Specialized Rockhopper Expert. Full charts: 2025 Specialized Rockhopper Expert, 2024 Moots Mountaineer SL.

Where each sits in its class

Specialized Rockhopper ExpertMoots Mountaineer SL

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other trail 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 ExpertExpertMoots Mountaineer SLXX SL
FrameSpecialized A1not listed
ForkRockShox JudyRockShox Pike Ultimate
ShifterSRAM SX Eaglenot listed
DerailleurSRAM NX Eaglenot listed
CassetteSRAM SX Eaglenot listed
ChainSRAM SX Eaglenot listed
CranksetSpecialized Stylonot listed
ChainringSRAM StyloMax Chain Ring
PedalsSpecialized Fitnessnot listed
WheelsetFormula StoutENVE M630
TireSpecialized Ground Control 2BRnot listed
HubFormula DC20, Formula DC22not listed
RimSpecialized hooklessnot listed
BrakeShimano MT200Disc
RotorShimano rearnot listed
HandlebarSpecialized alloyENVE M6
StemSpecialized StoutENVE M6
GripsSpecialized Trailnot listed
SeatpostSpecialized Alloynot listed
SaddleSpecialized Bridge Sportnot listed

Know what is on every bike.

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

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