2023 Rock Machine Catherine Catherine 70-27 17.0" (M)
Build
650B/27.5 in × 2 in
Insights
Average stack and reach vs trend of hardtail cross-country mtb bikes
Design deviates from other sizes of Rock Machine Catherine
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 593mm |
| Reach | 401mm |
| Stack to Reach Ratio | 1.48:1 |
| Seat Tube Length, C-T | 431mm |
| Top Tube Length, Effective/Horizontal HT Top | 580mm |
| Top Tube Slope | 19deg |
| Head Tube Angle | 69deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 41mm |
| Bottom Bracket Height | 301.8mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 428mm |
| Front-Center | 660.2mm |
| Front-Center Horizontal | 659mm |
| Wheelbase | 1087mm |
| Fork Offset/Rake | 43mm |
| Trail | 85.5mm very high |
| Mechanical Trail | 79.8mm |
| Wheel Flop | 28.6mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 147.4mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 131.8mm |
Catherine 70-27 Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2in |
| Tire Outer Diameter | 685.6mm |
| Bike Length with Tires | 1772.6mm |
| Crank Length | 170mm |
| Handlebar Width | 680mm |
| Stem Length | 60mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://archive.rockmachinebikes.com/en/2021/mountain-hardtail/catherine-70-27/gloss-dark-blue-pink-silver