2022 Allebike/MB31 Gravel GRX

	S	M	L	XL
Stack	538mm	569mm	603mm	641mm
Reach	403mm	415mm	418mm	428mm
Stack to Reach Ratio	1.33:1	1.37:1	1.44:1	1.5:1
Seat Tube Length, Unknown	466mm	494mm	527mm	562mm
Top Tube Length, Effective/Horizontal Unknown	557mm	578mm	591mm	612mm
Top Tube Slope	9.6deg	9.7deg	9.7deg	9.8deg
Head Tube Angle	70deg	70deg	70deg	70deg
Seat Tube Angle	74deg	74deg	74deg	74deg
Head Tube Length	121mm	154mm	190mm	231mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm
Bottom Bracket Height	281mm	281mm	281mm	281mm
Chainstay Length	427mm	427mm	427mm	427mm
Chainstay Length Horizontal	421.2mm	421.2mm	421.2mm	421.2mm
Front-Center	630.7mm	653.5mm	669.5mm	693.3mm
Front-Center Horizontal	626.8mm	649.8mm	665.8mm	689.8mm
Wheelbase	1048mm	1071mm	1087mm	1111mm
Fork Offset/Rake	50.2mm	50mm	50.5mm	50.7mm
Fork Length, Unknown	395mm	395mm	395mm	395mm
Trail	74.3mm high	74.6mm high	74mm high	73.8mm high
Mechanical Trail	69.8mm	70.1mm	69.5mm	69.4mm
Wheel Flop	23.9mm	24mm	23.8mm	23.7mm
Tire to Pedal Spindle	109.7mm 170 mm cranks	132.5mm 170 mm cranks	148.5mm 170 mm cranks	172.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks	111mm 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.

Category Trend

Source:https://www.allebike-sports.com/svSE/Shop/MB31/MB31_Gravel/MB31_Bramley_GRX_Black?id=C50001

Geometry