Quiver

2015 Trek Superfly vs 2017 Specialized Epic Hardtail Comp Carbon World Cup

The Specialized Epic Hardtail Comp Carbon World Cup size closest to your L is the L. Compare the L instead

What changes on the Specialized Epic Hardtail Comp Carbon World Cup

Compared with the Trek Superfly in L, the Specialized Epic Hardtail Comp Carbon World Cup in XL places the top of the head tube 36 mm higher and 19 mm further forward, relative to the bottom bracket. Its wheelbase is 23 mm longer, which can contribute to stability at speed.

Frame stack
+36 mm
Higher front end
Frame reach
+19 mm
Longer frame reach
Wheelbase
+23 mm
Longer: steadier at speed
Head angle
+0.2°
About the same head angle
Chainstays
−5 mm
Shorter: livelier

The two frames

2015 Trek Superfly (L) and 2017 Specialized Epic Hardtail Comp Carbon World Cup (XL), lined up at the bottom bracketBoth frames drawn to scale. The Trek Superfly is drawn in full with its measurements, and the Specialized Epic Hardtail Comp Carbon World Cup is the colored outline on top.J 1131

Trek Superfly, LSpecialized Epic Hardtail Comp Carbon World Cup, XLDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementTrek Superfly LSpecialized Epic Hardtail Comp Carbon World Cup XLDifference
Reach443462mm+19 mm
Stack601637mm+36 mm
Head tube angle69.6°69.8°+0.2°
Seat tube angle72.0°74°+2.0°
Effective top tube639649mm+10 mm
Chainstay length435430mm−5 mm
Wheelbase11311154mm+23 mm
BB drop5861mm+3 mm
BB height311309mm−2 mm
Standover795845mm+50 mm
Seat tube length470520mm+50 mm
Head tube length100125mm+25 mm
Fork lengthnot listed506mm

Differences are the Specialized Epic Hardtail Comp Carbon World Cup minus the Trek Superfly. Full charts: 2015 Trek Superfly, 2017 Specialized Epic Hardtail Comp Carbon World Cup.

Where each sits in its class

Trek SuperflySpecialized Epic Hardtail Comp Carbon World Cup

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 Superfly16Specialized Epic Hardtail Comp Carbon World CupHardtail Comp Carbon World Cup
FrameTrek Dialednot listed
ChainTrek Clarks C410SRAM PC-1110
Forknot listedRockShox Reba RL
Shifternot listedSRAM NX
Derailleurnot listedSRAM GX
Cassettenot listedSRAM PG-1130
Cranksetnot listedRace Face Aeffect
Tirenot listedSpecialized Fast Trak
Rimnot listedRoval Control 29
Brakenot listedShimano Deore M506
Gripsnot listedSpecialized Sip Grip
Saddlenot listedSpecialized Phenom Comp

Know what is on every bike.

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

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet