2017 Spot Bikes Rocker 27.5+ Base S
Build
650B/27.5 in × 2.8 in
Insights
Somewhat upright 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
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Geometry
| Stack | 617mm |
| Reach | 397mm |
| Stack to Reach Ratio | 1.55:1 |
| Seat Tube Length, Unknown | 381mm |
| Top Tube Length, Effective/Horizontal Center | 577mm |
| Top Tube Slope | 26.5deg |
| Head Tube Angle | 67.7deg |
| Seat Tube Angle | 73.7deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 52mm |
| Bottom Bracket Height | 311.1mm |
| Chainstay Length | 427mm |
| Chainstay Length Max | 427mm |
| Chainstay Length Horizontal | 423.8mm |
| Chainstay Length Horizontal Max | 423.8mm |
| Front-Center | 685.2mm |
| Front-Center Horizontal | 683.2mm |
| Wheelbase | 1107mm |
| Wheelbase Max | 1107mm |
| Fork Offset/Rake | 50.4mm |
| Trail | 94.5mm very high |
| Mechanical Trail | 87.4mm |
| Wheel Flop | 33.2mm |
| Standover Height | 685mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 152mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 141.1mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.8in |
| Tire Outer Diameter | 726.2mm |
| Bike Length with Tires | 1833.2mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 120mm |
| Suspension Sag | Unknown |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 2 in to 5 ft 6 in |
| PBH | 28 in to 30 in |
Source:https://spotbrand.com/collections/mountain-bikes/products/rocker-geared-27-5