2023 SJC Proto 2 MTB

Design
Flat Bar, Full suspension
Frame
Carbon/Composite
Fork
Aluminum
Suspension
120mm fork travel, 110mm rear travel, 20% sag
Features
Disc brake
Average stack and reachvs category
Average stack and reachvs category

Geometry

M
L
Stack
597mm
606mm
Reach
435mm
460mm
Stack to Reach Ratio
1.37:1
1.32:1
Seat Tube Length, C-T
432mm
470mm
Top Tube Length, Effective/Horizontal HT Top
598.8mm
625.2mm
Head Tube Angle
67.5deg
67.5deg
Effective Seat Tube Angle, ETT HT Top
74.75deg
74.75deg
Head Tube Length
105mm
115mm
Bottom Bracket Drop
38mm
38mm
Bottom Bracket Height
331.4mm
331.4mm
Chainstay Length
438mm
438mm
Chainstay Length Horizontal
436.4mm
436.4mm
Front-Center
723mm
751.5mm
Front-Center Horizontal
723.7mm
752.6mm
Wheelbase
1160mm
1188.9mm
Fork Offset/Rake
51mm
51mm
Fork Length, Unknown
520mm
520mm
Trail
97.8mm
very high
97.8mm
very high
Mechanical Trail
90.4mm
90.4mm
Wheel Flop
34.6mm
34.6mm
Standover Height
744.5mm
746.5mm
Tire to Pedal Spindle
183.6mm
170 mm cranks
207.1mm
175 mm cranks
Pedal Spindle to Ground Clearance
161.4mm
170 mm cranks
156.4mm
175 mm cranks

MTB Build

M
L
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
2.3in
2.3in
Tire Outer Diameter
738.8mm
738.8mm
Bike Length with Tires
1898.8mm
1927.7mm
Crank Length
170mm
175mm

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
Source:n/a