1993 Specialized Bicycles Rockhopper Comp 18
Build
26 in × 1.5 in
Insights
Very aggressive stack and reach vs trend of hardtail trail mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 476mm |
| Reach | 372mm |
| Stack to Reach Ratio | 1.28:1 |
| Seat Tube Length, C-T | 451mm |
| Top Tube Length, Effective/Horizontal Unknown | 523mm |
| Top Tube Slope | 5.2deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 72.5deg |
| Head Tube Length | 85mm |
| Bottom Bracket Drop | 28mm |
| Bottom Bracket Height | 289.6mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 439.1mm |
| Front-Center | 553mm |
| Front-Center Horizontal | 555.9mm |
| Wheelbase | 995mm |
| Fork Offset/Rake | 105mm |
| Fork Length, Unknown | 366mm |
| Trail | -1.7mm |
| Mechanical Trail | -1.6mm |
| Wheel Flop | -0.5mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 65.4mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 119.6mm |
Comp Build
| Wheel Size | 26 inch (559mm BSD) |
| Tire Width | 1.5in |
| Tire Outer Diameter | 635.2mm |
| Bike Length with Tires | 1630.2mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://geometrygeeks.bike/bike/specialized-rockhopper-1993/