2017 Chromag Bikes Surface Base S
Build
650B/27.5 in × 2.8 in
Insights
Very upright stack and reach vs trend of hardtail all-mountain/enduro mtb bikes
Design deviates from other sizes of Chromag Bikes Surface
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 647mm |
| Reach | 410mm |
| Stack to Reach Ratio | 1.58:1 |
| Seat Tube Length, C-T | 394mm |
| Top Tube Length, Effective/Horizontal HT Top | 578mm |
| Top Tube Slope | 27.5deg |
| Head Tube Angle | 66.5deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 115mm |
| Chainstay Length | 425mm |
| Chainstay Length Max | 425mm |
| Trail | — — |
| Tire to Pedal Spindle Distance With 170 mm cranks | — |
| Pedal Spindle to Ground Clearance With 170 mm cranks | — |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.8in |
| Tire Outer Diameter | 726.2mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 150mm |
| Suspension Sag | Unknown |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:Bike Counterculture Geometry Database