1991 Specialized Bicycles Rockhopper Base
- Category
- Rigid MTB
- Design
- Flat Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Rim brake
Geometry
14.5 | 16.5 | 18 | 20 | 22 | |
Top Tube Length, Actual C-C | 19.3mm | 20.5mm | 21.8mm | 22.9mm | 23.6mm |
Bottom Bracket Drop | 73mm | 73mm | 73mm | 73mm | 73mm |
Bottom Bracket Height | 238.3mm | 238.3mm | 238.3mm | 238.3mm | 238.3mm |
Trail | — — | — — | — — | — — | — — |
Mechanical Trail | — | — | — | — | — |
Wheel Flop | — | — | — | — | — |
Standover Height | 27.3mm | 28.5mm | 29.5mm | 30.5mm | 32.8mm |
Pedal Spindle to Ground Clearance | 68.3mm 170 mm cranks | 68.3mm 170 mm cranks | 63.3mm 175 mm cranks | 63.3mm 175 mm cranks | 63.3mm 175 mm cranks |
Base Build
14.5 | 16.5 | 18 | 20 | 22 | |
Wheel Size | 26 in 559 mm BSD | 26 in 559 mm BSD | 26 in 559 mm BSD | 26 in 559 mm BSD | 26 in 559 mm BSD |
Tire Width | 1.25in | 1.25in | 1.25in | 1.25in | 1.25in |
Tire Outer Diameter | 622.5mm | 622.5mm | 622.5mm | 622.5mm | 622.5mm |
Crank Length | 170mm | 170mm | 175mm | 175mm | 175mm |
Handlebar Width | 570mm | 570mm | 570mm | 570mm | 570mm |
Stem Length | 10.5mm | 10.5mm | 12.5mm | 12.5mm | 12.5mm |
Stem Angle | 90deg | 24deg | 24deg | 24deg | 24deg |
Source:www.retrobike.co.uk