Quiver

2019 Specialized Chisel Women's Expert vs 2017 Trek Superfly Women's

The Trek Superfly Women's size closest to your S is the M. Compare the M instead

What changes on the Trek Superfly Women's

Compared with the Specialized Chisel Women's Expert in S, the Trek Superfly Women's in ML places the top of the head tube 6 mm higher and 32 mm further forward, relative to the bottom bracket. Its wheelbase is 43 mm longer, which can contribute to stability at speed.

Frame stack
+6 mm
Higher front end
Frame reach
+32 mm
Longer frame reach
Wheelbase
+43 mm
Longer: steadier at speed
Head angle
−0.2°
About the same head angle
Chainstays
+5 mm
Longer: more planted

The two frames

2019 Specialized Chisel Women's Expert (S)The Specialized Chisel Women's Expert frame drawn to scale.J 1073

Only the Specialized Chisel Women's Expert is drawn. The Trek Superfly Women's numbers we have for size ML are missing the seat angle.

Geometry side by side

MeasurementSpecialized Chisel Women's Expert STrek Superfly Women's MLDifference
Reach395mm427+32 mm
Stack595mm601+6 mm
Head tube angle69.8°69.6°−0.2°
Seat tube angle74°not listed
Effective top tube567mm620+53 mm
Chainstay length430mm435+5 mm
Wheelbase1073mm1116+43 mm
BB drop57.5mm58+1 mm
BB height312.5mm311−2 mm
Standover760mm776+16 mm
Seat tube length400mm444+44 mm
Fork length496mmnot listed
Head tube length95mm100+5 mm

Differences are the Trek Superfly Women's minus the Specialized Chisel Women's Expert. Full charts: 2019 Specialized Chisel Women's Expert, 2017 Trek Superfly Women's.

Where each sits in its class

Specialized Chisel Women's ExpertTrek Superfly Women's

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 Chisel Women's ExpertWomen's ExpertTrek Superfly Women's6 Women's
FrameSpecialized D'Aluisio Smartweld M5Trek Alpha Platinum
ForkRockShox Reba RL 29RockShox Reba RL
ShifterSRAM NX EagleSRAM GX
DerailleurSRAM NX EagleSRAM GX
CassetteSRAM NX EagleSRAM PG 1130
ChainSRAM NX EagleSRAM 1110
CranksetTruVativ StyloSRAM GX-1000
Bottom bracketSRAM DUBTrek PF89.5
TireSpecialized Fast TrakBontrager XR1 Expert
BrakeSRAM Level TLSRAM Level T
HandlebarSpecialized Mini Risenot listed
GripsSpecialized Sip Gripnot listed
SaddleSpecialized Myth SportBontrager Ajna Comp WSD
Rimnot listedBontrager Mustang Elite

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