2018 Rocky Mountain Altitude Carbon 70 XL
Build
650B/27.5 in × 2.5 in
Insights
Average stack and reach vs trend of full-suspension all-mountain/enduro mtb bikes
Design deviates from other sizes of Rocky Mountain Altitude
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Stack | 623mm |
| Reach | 484mm |
| Stack to Reach Ratio | 1.29:1 |
| Seat Tube Length, Unknown | 508mm |
| Top Tube Length, Effective/Horizontal Unknown | 656mm |
| Top Tube Slope | 12.2deg |
| Head Tube Angle | 65.6deg |
| Seat Tube Angle | 74.6deg |
| Head Tube Length | 145mm |
| Bottom Bracket Drop | 7mm |
| Bottom Bracket Height | 348.5mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 424.9mm |
| Front-Center | 812.1mm |
| Front-Center Horizontal | 812.1mm |
| Wheelbase | 1237mm |
| Fork Offset/Rake | 44.3mm |
| Trail | 112.6mm very high |
| Mechanical Trail | 102.6mm |
| Wheel Flop | 42.4mm |
| Standover Height | 817mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 286.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 178.5mm |
Carbon 70 Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.5in |
| Tire Outer Diameter | 711mm |
| Bike Length with Tires | 1948mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 160mm |
| Rear Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Carbon/Composite |
| Fork Material | Aluminum |
| Brake Type | Disc |
Source:Bikes.com