Quiver

2025 Trek Roscoe Gen 4 vs 2024 Santa Cruz Chameleon D Kit

The S is the Santa Cruz Chameleon D Kit size closest to your S Trek Roscoe Gen 4. 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 Santa Cruz Chameleon D Kit

Compared with the Trek Roscoe Gen 4 in S, the Santa Cruz Chameleon D Kit in S places the top of the head tube 16 mm higher and 5 mm further forward, relative to the bottom bracket. Its wheelbase is 15 mm longer, which can contribute to stability at speed.

Frame stack
+16 mm
Higher front end
Frame reach
+5 mm
Longer frame reach
Wheelbase
+15 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

2025 Trek Roscoe Gen 4 (S)The Trek Roscoe Gen 4 frame drawn to scale.J 1139

Only the Trek Roscoe Gen 4 is drawn. The Santa Cruz Chameleon D Kit numbers we have for size S are missing the chainstay length.

Geometry side by side

MeasurementTrek Roscoe Gen 4 SSanta Cruz Chameleon D Kit SDifference
Reach415420+5 mm
Stack604620+16 mm
Head tube angle6565±0.0°
Seat tube angle73.174.1+1.0°
Effective top tube575not listed
Chainstay length425not listed
Wheelbase11391154+15 mm
BB drop4556+11 mm
BB height308not listed
Standover714not listed
Seat tube length330not listed
Head tube length90not listed

Differences are the Santa Cruz Chameleon D Kit minus the Trek Roscoe Gen 4. Full charts: 2025 Trek Roscoe Gen 4, 2024 Santa Cruz Chameleon D Kit.

Where each sits in its class

Trek Roscoe Gen 4Santa Cruz Chameleon D Kit

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.

PartTrek Roscoe Gen 47 Gen 4Santa Cruz Chameleon D Kit
FrameTrek Alpha Platinum Aluminumnot listed
ForkRockShox Recon Silver RLnot listed
ShifterShimano CUES U6000not listed
DerailleurShimano CUES U6000 GSnot listed
CassetteShimano CUES LG300 LINKGLIDEnot listed
ChainShimano LG500not listed
CranksetShimano CUES U6000not listed
ChainringShimano CUESnot listed
Bottom bracketShimano MT501not listed
PedalsVP-536not listed
WheelsetShimano TC500not listed
TireBontrager Gunnison Pro XRnot listed
RimBontrager Line TLR 30not listed
BrakeShimano MT200not listed
RotorShimano SM-RT10not listed
HandlebarBontrager Comp Alloynot listed
StemBontrager Compnot listed
GripsTrek Linenot listed
HeadsetFSA Orbitnot listed
SeatpostTranzX JD-YSI34not listed
SaddleBontrager Verse P3not 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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