2022 Allebike/MB31 Gravel GRX

Design
Aero Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Carbon/Composite
Features
Disc brake
Somewhat aggressive stack and reachvs category
Bar type unusual for category
This: Aero Bar
Category: Drop Bar
vs category
Somewhat aggressive stack and reachvs category
Bar type unusual for category
This: Aero Bar
Category: Drop Bar
vs category
Average stack and reachvs category
Bar type unusual for category
This: Aero Bar
Category: Drop Bar
vs category
Somewhat upright stack and reachvs category
Bar type unusual for category
This: Aero Bar
Category: Drop Bar
vs category

Geometry

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

GRX Build

S
M
L
XL
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
40mm
40mm
40mm
40mm
Tire Width Max
47mm
47mm
47mm
47mm
Tire Outer Diameter
702mm
702mm
702mm
702mm
Bike Length with Tires
1750mm
1773mm
1789mm
1813mm
Handlebar Width
420mm
420mm
440mm
440mm

Stack and Reach vs. Category Trend

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.

Learn more about the Upright/Aggressive Scale
Category Trend
Progressive Gravel
Source:https://www.allebike-sports.com/svSE/Shop/MB31/MB31_Gravel/MB31_Bramley_GRX_Black?id=C50001