2010 Specialized Bicycles Hardrock 29 Disc 21
Build
700C/29 in × 2 in
Insights
Very upright 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
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Geometry
| Stack | 663.6mm |
| Reach | 423.8mm |
| Stack to Reach Ratio | 1.57:1 |
| Seat Tube Length, C-T | 533mm |
| Top Tube Length, Effective/Horizontal Center | 640mm |
| Top Tube Length, Actual C-C | 609.6mm |
| Top Tube Slope | 14.9deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 72deg |
| Effective Seat Tube Angle, Seat Tube Top | 73.17deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 60.7mm |
| Bottom Bracket Height | 301.2mm |
| Chainstay Length | 450mm |
| Chainstay Length Horizontal | 445.9mm |
| Front-Center | 692.8mm |
| Front-Center Horizontal | 690.1mm |
| Wheelbase | 1136mm |
| Trail | — — |
| Standover Height | 858mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 156mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 126.2mm |
29 Disc Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2in |
| Tire Outer Diameter | 723.6mm |
| Bike Length with Tires | 1859.6mm |
| Crank Length | 175mm |
| Handlebar Width | 640mm |
| Stem Length | 90mm |
| 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://www.specialized.com/us/en/hardrock-sport-disc-29/p/23095?color=32854-23095