Quiver

2017 Trek X-Caliber vs 2019 Specialized Chisel

The M is the Specialized Chisel size closest to your ML Trek X-Caliber. 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 Chisel

Compared with the Trek X-Caliber in ML, the Specialized Chisel in M places the top of the head tube 4 mm higher and 10 mm further back, relative to the bottom bracket. Its wheelbase is 28 mm shorter, which can contribute to quicker direction changes.

Frame stack
+4 mm
Higher front end
Frame reach
−10 mm
Shorter frame reach
Wheelbase
−28 mm
Shorter: quicker to change direction
Head angle
+0.2°
About the same head angle
Chainstays
−15 mm
Shorter: livelier

The two frames

2017 Trek X-Caliber (ML) and 2019 Specialized Chisel (M), lined up at the bottom bracketBoth frames drawn to scale. The Trek X-Caliber is drawn in full with its measurements, and the Specialized Chisel is the colored outline on top.J 1128

Trek X-Caliber, MLSpecialized Chisel, MDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementTrek X-Caliber MLSpecialized Chisel MDifference
Reach428418mm−10 mm
Stack601605mm+4 mm
Head tube angle69.6°69.8°+0.2°
Seat tube angle72.3°74°+1.7°
Effective top tube620not listed
Chainstay length445430mm−15 mm
Wheelbase11281100mm−28 mm
BB drop5357.5mm+5 mm
BB height316312.5mm−4 mm
Standover777790mm+13 mm
Seat tube length444430mm−14 mm
Head tube length10095mm−5 mm
Fork lengthnot listed506mm

Differences are the Specialized Chisel minus the Trek X-Caliber. Full charts: 2017 Trek X-Caliber, 2019 Specialized Chisel.

Where each sits in its class

Trek X-CaliberSpecialized Chisel

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.

PartTrek X-Caliber7Specialized ChiselChisel Frame
FrameTrek Alpha GoldSpecialized D'Aluisio Smartweld M5
ShifterShimano Acera M3000not listed
DerailleurShimano Acera, Shimano Acera M3000not listed
CassetteShimano HG20not listed
ChainKMC X9not listed
CranksetShimano Acera M3000not listed
WheelsetFormula DC-20not listed
TireBontrager XR2not listed
HubFormula DC20, Formula DC22not listed
RimBontrager Connectionnot listed
BrakeShimano Acera M315not listed
SeatpostBontrager SSRnot listed
SaddleBontrager Evoke 1.5not 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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