Quiver

2017 Specialized Tarmac Expert eTap vs 2015 Specialized Allez E5 Smartweld

The 54 is the Specialized Allez E5 Smartweld size closest to your 54 Specialized Tarmac Expert eTap. 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 Allez E5 Smartweld

Compared with the Specialized Tarmac Expert eTap in 54, the Specialized Allez E5 Smartweld in 54 places the top of the head tube 4 mm higher and about as far forward, relative to the bottom bracket.

Frame stack
+4 mm
Higher front end
Frame reach
±0 mm
About the same reach
Wheelbase
±0 mm
About the same
Head angle
±0.0°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2017 Specialized Tarmac Expert eTap (54) and 2015 Specialized Allez E5 Smartweld (54), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Tarmac Expert eTap is drawn in full with its measurements, and the Specialized Allez E5 Smartweld is the colored outline on top.J 978

Specialized Tarmac Expert eTap, 54Specialized Allez E5 Smartweld, 54Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Tarmac Expert eTap 54Specialized Allez E5 Smartweld 54Difference
Reach387mm387mm±0 mm
Stack543mm547mm+4 mm
Head tube angle73°73°±0.0°
Seat tube angle73.5°73.5°±0.0°
Effective top tube548mm548mm±0 mm
Chainstay length405mm405mm±0 mm
Wheelbase978mm978mm±0 mm
BB drop69mm69mm±0 mm
BB height272.5mmnot listed
Standover775mm798mm+23 mm
Seat tube length481mm500mm+19 mm
Fork length368mmnot listed
Head tube length140mm145mm+5 mm

Differences are the Specialized Allez E5 Smartweld minus the Specialized Tarmac Expert eTap. Full charts: 2017 Specialized Tarmac Expert eTap, 2015 Specialized Allez E5 Smartweld.

Where each sits in its class

Specialized Tarmac Expert eTapSpecialized Allez E5 Smartweld

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other road 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 Tarmac Expert eTapExpert eTapSpecialized Allez E5 Smartweld
ShifterSRAM eTapnot listed
DerailleurSRAM eTapnot listed
CassetteSRAM PG-1170not listed
ChainSRAM PC-1170not listed
CranksetSRAM S-952not listed
WheelsetDT Swiss R460 Pronot listed
TireSpecialized S-Works Turbonot listed
BrakeSRAM Forcenot listed
SaddleSpecialized Toupe Expertnot listed

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