2027 Big Rock Carbon 32" MTB

Design
Flat Bar, Rigid, suspension corrected
Frame
Carbon/Composite
Features
Disc brake
Very upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

S
M
L
Stack
649mm
653.7mm
667.5mm
Reach
415mm
441mm
461mm
Stack to Reach Ratio
1.56:1
1.48:1
1.45:1
Seat Tube Length, C-T
400mm
445mm
475mm
Top Tube Length, Effective/Horizontal HT Top
595mm
616.4mm
641.5mm
Head Tube Angle
67deg
67deg
67deg
Effective Seat Tube Angle, Unknown
74.5deg
75deg
75deg
Head Tube Length
85mm
90mm
105mm
Bottom Bracket Drop
90mm
90mm
90mm
Bottom Bracket Height
314mm
314mm
314mm
Chainstay Length
450mm
450mm
450mm
Chainstay Length Horizontal
440.9mm
440.9mm
440.9mm
Front-Center
705.9mm
733.6mm
759.3mm
Front-Center Horizontal
700.1mm
728.1mm
753.9mm
Wheelbase
1141mm
1169mm
1194.8mm
Fork Offset/Rake
44mm
44mm
44mm
Fork Length (Axle-To-Crown)
540mm
540mm
540mm
Trail
123.7mm
very high
123.7mm
very high
123.7mm
very high
Mechanical Trail
113.8mm
113.8mm
113.8mm
Wheel Flop
44.5mm
44.5mm
44.5mm
Standover Height
728.2mm
766.6mm
791.5mm
Tire to Pedal Spindle
131.9mm
170 mm cranks
159.6mm
170 mm cranks
185.3mm
170 mm cranks
Pedal Spindle to Ground Clearance
144mm
170 mm cranks
144mm
170 mm cranks
144mm
170 mm cranks

MTB Build

S
M
L
Wheel Size
686mm BSD
686 mm BSD
686mm BSD
686 mm BSD
686mm BSD
686 mm BSD
Tire Width
2.4in
2.4in
2.4in
Tire Outer Diameter
807.9mm
807.9mm
807.9mm
Bike Length with Tires
1948.9mm
1976.9mm
2002.7mm

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