2006 Specialized Bicycles Rockhopper Base 23
Build
26 in × 2.3 in
Insights
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Seat Tube Length, C-T | 585mm |
| Top Tube Length, Effective/Horizontal Unknown | 660mm |
| Top Tube Length, Actual C-C | 638mm |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 160mm |
| Bottom Bracket Drop | 36mm |
| Bottom Bracket Height | 301.9mm |
| Chainstay Length | 426mm |
| Chainstay Length Horizontal | 424.5mm |
| Front-Center | 704.4mm |
| Front-Center Horizontal | 703.5mm |
| Wheelbase | 1128mm |
| Fork Offset/Rake | 38mm |
| Trail | 82.6mm very high |
| Mechanical Trail | 77.6mm |
| Wheel Flop | 26.5mm |
| Standover Height | 865mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 196.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 131.9mm |
Base Build
| Wheel Size | 26 inch (559mm BSD) |
| Tire Width | 2.3in |
| Tire Outer Diameter | 675.8mm |
| Bike Length with Tires | 1803.8mm |
| 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.specialized.com/gb/en/rockhopper-disc/p/20711?size=One+Size&color=22175-20711