2018 Chromag Bikes Primer Base M
Build
700C/29 in × 2.6 in
Insights
Average stack and reach vs trend of hardtail all-mountain/enduro mtb bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 630mm |
| Reach | 446mm |
| Stack to Reach Ratio | 1.41:1 |
| Seat Tube Length, C-T | 406mm |
| Top Tube Length, Effective/Horizontal HT Top | 603mm |
| 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 | 786.7mm |
| Front-Center Horizontal | 785.1mm |
| Wheelbase | 1202mm |
| Fork Offset/Rake | 50.9mm |
| Trail | 127.3mm very high |
| Mechanical Trail | 114.4mm |
| Wheel Flop | 50.2mm |
| Standover Height | 714mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 239.7mm |
| 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 | 1956.1mm |
| 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 | 5 ft 4 in to 5 ft 8 in |
Source:https://chromagbikes.com/products/frames-primer