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
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 ScaleCategory Trend
Full-suspension Cross-country MTBSource:n/a