2009 Specialized Rockhopper base 15
Build
26 in × 2 in
Insights
Very aggressive stack and reach vs trend of hardtail cross-country mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 419.1mm |
| Reach | 434.9mm |
| Stack to Reach Ratio | 0.96:1 |
| Seat Tube Length, C-T | 381mm |
| Top Tube Length, Effective/Horizontal Center | 565mm |
| Top Tube Length, Actual C-C | 551mm |
| Top Tube Slope | 5.7deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 26.3mm |
| Bottom Bracket Height | 304mm |
| Chainstay Length | 426mm |
| Chainstay Length Horizontal | 425.2mm |
| Front-Center | 625.4mm |
| Front-Center Horizontal | 624.8mm |
| Wheelbase | 1050mm |
| Trail | — — |
| Standover Height | 715mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 125.1mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 134mm |
base Build
| Wheel Size | 26 inch (559mm BSD) |
| Tire Width | 2in |
| Tire Outer Diameter | 660.6mm |
| Bike Length with Tires | 1710.6mm |
| Crank Length | 170mm |
| Handlebar Width | 640mm |
| Stem Length | 60mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://www.specialized.com/us/en/rockhopper/p/22349?color=30780-22349&searchText=8192-5017