2018 Chromag Bikes Primer Base S
Build
700C/29 in × 2.6 in
Insights
Somewhat upright stack and reach vs trend of hardtail all-mountain/enduro mtb bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 630mm |
| Reach | 421mm |
| Stack to Reach Ratio | 1.5:1 |
| Seat Tube Length, C-T | 368mm |
| Top Tube Length, Effective/Horizontal HT Top | 578mm |
| Head Tube Angle | 64deg |
| Effective Seat Tube Angle, Unknown | 76deg |
| Head Tube Length | 95mm |
| Bottom Bracket Drop | 50.8mm |
| Bottom Bracket Height | 326.2mm |
| Chainstay Length | 420mm |
| Chainstay Length Horizontal | 416.9mm |
| Front-Center | 761.8mm |
| Front-Center Horizontal | 760.1mm |
| Wheelbase | 1177mm |
| Fork Offset/Rake | 50.9mm |
| Trail | 127.3mm very high |
| Mechanical Trail | 114.4mm |
| Wheel Flop | 50.2mm |
| Standover Height | 677mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 214.7mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 156.2mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.6in |
| Tire Outer Diameter | 754.1mm |
| Bike Length with Tires | 1931.1mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 160mm |
| Suspension Sag | Unknown |
| Frame Material | Steel |
| Fork Material | Aluminum |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 18 ft 1 in to 5 ft 5 in |
Source:https://chromagbikes.com/products/frames-primer