2012 Soma Fabrications B-Sde Base
- Category
- Hardtail Cross-country MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Steel
- Suspension
- 100mm fork travel
- Features
- Disc brake
Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
Sm (14.5") | Md (16.5") | Lg (18.5") | XL (20.5") | |
Stack | 599.3mm | 610.8mm | 615.5mm | 625mm |
Reach | 379.6mm | 393.3mm | 412.8mm | 429.6mm |
Stack to Reach Ratio | 1.58:1 | 1.55:1 | 1.49:1 | 1.45:1 |
Seat Tube Length, C-T | 368.3mm | 419.1mm | 469.9mm | 520.7mm |
Top Tube Length, Effective/Horizontal Unknown | 560mm | 585mm | 600mm | 620mm |
Top Tube Length, Actual C-C | 546mm | 562mm | 574mm | 595mm |
Head Tube Angle | 70.5deg | 71deg | 71deg | 71deg |
Seat Tube Angle | 73.5deg | 73deg | 73deg | 73deg |
Head Tube Length | 100mm | 110mm | 115mm | 125mm |
Bottom Bracket Drop | 50mm | 50mm | 50mm | 50mm |
Bottom Bracket Height | 295.3mm | 295.3mm | 295.3mm | 295.3mm |
Chainstay Length | 427mm | 427mm | 427mm | 427mm |
Chainstay Length Horizontal | 424.1mm | 424.1mm | 424.1mm | 424.1mm |
Front-Center | 619.7mm | 631.7mm | 652.9mm | 672.8mm |
Front-Center Horizontal | 617.6mm | 629.7mm | 650.9mm | 670.9mm |
Wheelbase | 1041.7mm | 1053.8mm | 1075mm | 1095mm |
Fork Offset/Rake | 41mm | 41mm | 41mm | 41mm |
Fork Length (Axle-To-Crown) | 479mm | 479mm | 479mm | 479mm |
Trail | 78.8mm high | 75.6mm high | 75.6mm high | 75.6mm high |
Mechanical Trail | 74.3mm | 71.4mm | 71.4mm | 71.4mm |
Wheel Flop | 24.8mm | 23.3mm | 23.3mm | 23.3mm |
Standover Height | 731.5mm | 762mm | 787.4mm | 817.9mm |
Tire to Pedal Spindle | 104.3mm 170 mm cranks | 116.4mm 170 mm cranks | 137.5mm 170 mm cranks | 157.5mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 125.3mm 170 mm cranks | 125.3mm 170 mm cranks | 125.3mm 170 mm cranks | 125.3mm 170 mm cranks |
Base Build
Sm (14.5") | Md (16.5") | Lg (18.5") | XL (20.5") | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 2.1in | 2.1in | 2.1in | 2.1in |
Tire Width Max | 2.4in | 2.4in | 2.4in | 2.4in |
Tire Outer Diameter | 690.7mm | 690.7mm | 690.7mm | 690.7mm |
Bike Length with Tires | 1732.4mm | 1744.5mm | 1765.7mm | 1785.7mm |
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 ScaleCategory Trend
Hardtail Cross-country MTBSource:https://www.somafab.com/archives/product/b-side