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2017 Specialized Diverge Sport A1 vs 2019 Specialized Crux

The Specialized Crux size closest to your 54 is the 54. Compare the 54 instead

What changes on the Specialized Crux

Compared with the Specialized Diverge Sport A1 in 54, the Specialized Crux in 49 places the top of the head tube 25 mm lower and 11 mm further back, relative to the bottom bracket. Its wheelbase is 6 mm longer, which can contribute to stability at speed.

Frame stack
−25 mm
Lower front end
Frame reach
−11 mm
Shorter frame reach
Wheelbase
+6 mm
Longer: steadier at speed
Head angle
−1.5°
Slacker: calmer steering
Chainstays
+10 mm
Longer: more planted

The two frames

2017 Specialized Diverge Sport A1 (54) and 2019 Specialized Crux (49), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Diverge Sport A1 is drawn in full with its measurements, and the Specialized Crux is the colored outline on top.J 1001

Specialized Diverge Sport A1, 54Specialized Crux, 49Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Diverge Sport A1 54Specialized Crux 49Difference
Reach380mm369mm−11 mm
Stack565mm540mm−25 mm
Head tube angle72°70.5°−1.5°
Seat tube angle73.5°75.5°+2.0°
Effective top tube547mm509mm−38 mm
Chainstay length415mm425mm+10 mm
Wheelbase1001mm1007mm+6 mm
BB drop72mm71mm−1 mm
BB height274mm281.5mm+8 mm
Standover776mm781.5mm+6 mm
Seat tube length466mm490mm+24 mm
Fork length400mm400mm±0 mm
Head tube length134mm115mm−19 mm

Differences are the Specialized Crux minus the Specialized Diverge Sport A1. Full charts: 2017 Specialized Diverge Sport A1, 2019 Specialized Crux.

Where each sits in its class

Specialized Diverge Sport A1Specialized Crux

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other gravel 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 Diverge Sport A1Sport A1Specialized CruxS-Works
ShifterShimano SoraShimano Dura-Ace R9170 Di2 shift
DerailleurShimano SoraShimano XTR M9050 Di2
ChainKMC X9Shimano Dura-Ace
CranksetPraxis AlbaSpecialized S-Works Power
WheelsetSpecialized Axis SportRoval CLX 50
TireSpecialized Espoir SportSpecialized Tracer Pro
BrakeTektro MiraShimano Dura-Ace
SaddleSpecialized Toupé SportSpecialized S-Works Phenom
Cassettenot listedShimano Ultegra
Chainringnot listedPraxis Wave Tech

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