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Stack and reach

Some tubes use estimated defaults where OEM values were missing.

Measurement	CurveGMX+ 2027	CurveGMX+ 2026	Waterford1900 2023
Stackmm	606	606	606
Reachmm	386	386	382−4
Head tube angle°	70.5	70.5	72.0+1.5
Seat tube angle°	72.5	72.5	73.0+0.5
Chainstaymm	455	455	457+2
Wheelbasemm	1108	1108	1084−24
BB dropmm	68	68	74+6
BB heightmm	—	—	—
Standovermm	—	—	—

Relaxed/Aggressiveness

Cockpit for the selected size

Part	GMX+ L	GMX+ L	1900 58
Stem	110 mm	110 mm	110 mm
Bar	440 mm	440 mm	440 mm
Crank	175 mm	175 mm	175 mm

Reviews

Curve GMX+

Curve GMX+ 'All Road' bike – a 15-minute cycling adventure ...YouTube · 2026
Some bikes are difficult to ignore. One glimpse of the titanium-framed 'All Road' bike by Curve, known as the GMX+, was all it took to know ...

Curve GMX+

Curve GMX+ 'All Road' bike – a 15-minute cycling adventure ...YouTube · 2026
Some bikes are difficult to ignore. One glimpse of the titanium-framed 'All Road' bike by Curve, known as the GMX+, was all it took to know ...