Quiver

2026 Cannondale Topstone Carbon Lefty vs 2026 Argon 18 Subito eGravel XPLR

We can't match sizes for these two: one of them has no stack and reach for the sizes shown.

What changes on the Argon 18 Subito eGravel XPLR

Frame stack
−18 mm
Lower front end
Frame reach
n/a
One of the bikes has no number for this
Wheelbase
n/a
One of the bikes has no number for this
Head angle
+0.6°
Steeper: sharper steering
Chainstays
+2 mm
About the same

The two frames

2026 Cannondale Topstone Carbon Lefty (54.0)The Cannondale Topstone Carbon Lefty frame drawn to scale.J 1026

Only the Cannondale Topstone Carbon Lefty is drawn. The Argon 18 Subito eGravel XPLR numbers we have for size S are missing the reach and wheelbase.

Geometry side by side

MeasurementCannondale Topstone Carbon Lefty 54.0Argon 18 Subito eGravel XPLR SDifference
Reach378not listed
Stack579561−18 mm
Head tube angle70.771.3+0.6°
Seat tube angle73.174.3+1.2°
Effective top tube554527−27 mm
Chainstay length420422+2 mm
Wheelbase1026not listed
BB drop7675−1 mm
BB height283not listed
Standover772742−30 mm
Seat tube length482485+3 mm
Head tube length123142+19 mm

Differences are the Argon 18 Subito eGravel XPLR minus the Cannondale Topstone Carbon Lefty. Full charts: 2026 Cannondale Topstone Carbon Lefty, 2026 Argon 18 Subito eGravel XPLR.

Where each sits in its class

Cannondale Topstone Carbon LeftyArgon 18 Subito eGravel XPLR

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.

PartCannondale Topstone Carbon Lefty1 Lefty AXSArgon 18 Subito eGravel XPLRApex AXS XPLR
FrameCannondale TopstoneArgon 18 Subito eGravel
ForkLefty OliverArgon 18 Subito
ShifterSRAM Rival AXSnot listed
DerailleurSRAM GX Eagle AXSnot listed
CassetteSRAM GX Eagle TransmissionSRAM XG-1231
ChainSRAM GX Eagle TransmissionSRAM Apex
CranksetSRAM Rival XPLRSRAM Apex 1
Bottom bracketSRAM DUBSRAM DUB PF86.5 ROAD WIDE
TireWTB Vulpine TCSVittoria Terreno Dry
RimReserve 40|44 GRnot listed
BrakeSRAM RivalSRAM Apex
HandlebarEaston EA70 AXFSA Adventure Compact
StemCannondale C1 ConcealFSA OS-167 Omega
GripsCannondale KnurlCorknot listed
HeadsetAcros IS52/40 ICRFSA No.69 SRS
SeatpostCannondale SAVEArgon 18 TDS-C
Saddlefizik Terra Argo X5Prologo Proxim W350
Chainringnot listedSRAM Apex 1 Wide
Motornot listedMahle X35+
Batterynot listedMahle X35
Wheelsetnot listedFSA NS AGX i21
Rotornot listedSRAM G2 CleanSweep
Bar tapenot listedCiclovation LEATHER TOUCH Tornado Gloss
Lightnot listedLitemove 110 LUX, Litemove 70 LUX

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