Quiver

2018 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 S places the top of the head tube 12 mm lower and 23 mm further back, relative to the bottom bracket. Its wheelbase is 20 mm shorter, which can contribute to quicker direction changes.

Frame stack
−12 mm
Lower front end
Frame reach
−23 mm
Shorter frame reach
Wheelbase
−20 mm
Shorter: quicker to change direction
Head angle
−0.5°
Slacker: calmer steering
Chainstays
−5 mm
Shorter: livelier

The two frames

2018 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 S are missing the seat angle.

Geometry side by side

MeasurementSpecialized Chisel Women's Expert STrek Superfly Women's SDifference
Reach395mm372−23 mm
Stack595mm583−12 mm
Head tube angle69.8°69.3°−0.5°
Seat tube angle74°not listed
Effective top tube567mm558−9 mm
Chainstay length430mm425−5 mm
Wheelbase1073mm1053−20 mm
BB drop57.5mm48−10 mm
BB height312.5mm302−11 mm
Standover760mm721−39 mm
Seat tube length400mm368−32 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: 2018 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 GXSRAM GX
DerailleurSRAM GXSRAM GX
CassetteSRAM NXSRAM PG 1130
ChainKMC X-11SRAM 1110
CranksetRace Face AeffectSRAM GX-1000
TireSpecialized Fast TrakBontrager XR1 Expert
RimSpecialized Stout XC 29Bontrager Mustang Elite
BrakeSRAM Level TLSRAM Level T
GripsSpecialized Sip Gripnot listed
SaddleSpecialized Myth SportBontrager Ajna Comp WSD
Bottom bracketnot listedTrek PF89.5

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