2019 CUBE Bikes Acid Base 21"
Build
700C/29 in × 2.25 in
Insights
Somewhat upright stack and reach vs trend of hardtail cross-country mtb bikes
Design deviates from other sizes of CUBE Bikes Acid
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 643mm |
| Reach | 425mm |
| Stack to Reach Ratio | 1.51:1 |
| Seat Tube Length, C-T | 515mm |
| Seat Tube Length, C-C | 470mm |
| Top Tube Length, Effective/Horizontal Center | 615mm |
| Top Tube Slope | 14.6deg |
| Head Tube Angle | 69deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | -65mm |
| Bottom Bracket Height | 433.2mm |
| Chainstay Length | 450mm |
| Chainstay Length Horizontal | 445.3mm |
| Front-Center | 703.7mm |
| Front-Center Horizontal | 700.7mm |
| Wheelbase | 1146mm |
| Fork Offset/Rake | 3.7mm |
| Trail | 137.4mm very high |
| Mechanical Trail | 128.3mm |
| Wheel Flop | 46mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 165.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 263.2mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.25in |
| Tire Outer Diameter | 736.3mm |
| Bike Length with Tires | 1882.3mm |
| 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://www.cube.eu/uk/2022/bikes/mountainbike/hardtail/acid/cube-acid-greynpearlgrey/