2026 Mpi Gravel Bike RGL

	S	M	L
Stack	549mm	573mm	592mm
Reach	362mm	387mm	412mm
Stack to Reach Ratio	1.52:1	1.48:1	1.44:1
Seat Tube Length, C-T	410mm	450mm	480mm
Top Tube Length, Effective/Horizontal HT Top	520mm	550mm	580mm
Top Tube Slope	18.1deg	15.4deg	13.5deg
Head Tube Angle	70.5deg	70.5deg	70.5deg
Seat Tube Angle	74deg	74deg	74deg
Head Tube Length	101mm	125mm	145mm
Bottom Bracket Drop	75mm	75mm	75mm
Bottom Bracket Height	286mm	286mm	286mm
Chainstay Length	425mm	425mm	425mm
Chainstay Length Horizontal	418.3mm	418.3mm	418.3mm
Front-Center	590mm	620mm	650mm
Front-Center Horizontal	586.7mm	614.7mm	646.7mm
Wheelbase	1005mm	1033mm	1065mm
Fork Offset/Rake	45mm	45mm	45mm
Fork Length (Axle-To-Crown)	420mm	420mm	420mm
Trail	80.1mm very high	80.1mm very high	80.1mm very high
Mechanical Trail	75.5mm	75.5mm	75.5mm
Wheel Flop	25.2mm	25.2mm	25.2mm
Tire to Pedal Spindle	59mm 170 mm cranks	89mm 170 mm cranks	119mm 170 mm cranks
Pedal Spindle to Ground Clearance	116mm 170 mm cranks	116mm 170 mm cranks	116mm 170 mm cranks

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

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Geometry