2007 Soma Fabrications 4one5 Base 21
Build
26 in × 2 in
Insights
Design deviates from other sizes of Soma Fabrications 4one5
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Seat Tube Length, C-T | 533.4mm |
| Top Tube Length, Effective/Horizontal Unknown | 620mm |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 73deg |
| Bottom Bracket Drop | 35mm |
| Bottom Bracket Height | 295.3mm |
| Chainstay Length | 422mm |
| Chainstay Length Horizontal | 420.6mm |
| Front-Center | 667.4mm |
| Front-Center Horizontal | 666.5mm |
| Wheelbase | 1087mm |
| Fork Length (Axle-To-Crown) | 440mm |
| Trail | — — |
| Standover Height | 797.6mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 167.1mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 125.3mm |
Base Build
| Wheel Size | 26 inch (559mm BSD) |
| Tire Width | 2in |
| Tire Outer Diameter | 660.6mm |
| Bike Length with Tires | 1747.6mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 80mm |
| Suspension Sag | Unknown |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
| Features | Single-speed capable |
Source:https://forums.mtbr.com/attachments/singlespeed/769501d1360266308-fork-soma-4one5-2007-brochure-000008.jpg