2021 Spot Bikes Rocker 29 Carbon, Geared & SS
- Category
- Hardtail Cross-country MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Carbon/Composite
- Suspension
- 120mm fork travel
- Features
- Disc brake, Single-speed capable
Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
Small | Medium | Large | X-Large | |
Stack | 607mm | 621mm | 635mm | 644mm |
Reach | 410mm | 440mm | 470mm | 500mm |
Stack to Reach Ratio | 1.48:1 | 1.41:1 | 1.35:1 | 1.29:1 |
Seat Tube Length, C-T | 380mm | 410mm | 460mm | 510mm |
Top Tube Length, Effective/Horizontal HT Top | 567mm | 601mm | 634mm | 667mm |
Top Tube Slope | 25.3deg | 22.4deg | 18deg | 13.5deg |
Head Tube Angle | 67deg | 67deg | 67deg | 67deg |
Seat Tube Angle | 75.5deg | 75.5deg | 75.5deg | 75.5deg |
Head Tube Length | 90mm | 105mm | 120mm | 130mm |
Bottom Bracket Drop | 50mm | 50mm | 50mm | 50mm |
Bottom Bracket Height | 318.2mm | 318.2mm | 318.2mm | 318.2mm |
Chainstay Length Horizontal | 445mm | 445mm | 445mm | 445mm |
Front-Center | 697.8mm | 733.7mm | 769.6mm | 803.6mm |
Front-Center Horizontal | 696mm | 732mm | 768mm | 802mm |
Wheelbase | 1141mm | 1177mm | 1213mm | 1247mm |
Fork Offset/Rake | 45.6mm | 45.7mm | 45.7mm | 45.9mm |
Trail | 106.7mm very high | 106.7mm very high | 106.6mm very high | 106.4mm very high |
Mechanical Trail | 98.2mm | 98.2mm | 98.1mm | 98mm |
Wheel Flop | 38.4mm | 38.4mm | 38.3mm | 38.3mm |
Standover Height | 741mm | 741mm | 782mm | 782mm |
Tire to Pedal Spindle | 154.6mm 175 mm cranks | 190.6mm 175 mm cranks | 226.5mm 175 mm cranks | 260.4mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 143.2mm 175 mm cranks | 143.2mm 175 mm cranks | 143.2mm 175 mm cranks | 143.2mm 175 mm cranks |
Carbon, Geared & SS Build
Small | Medium | Large | X-Large | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.25in | 2.25in | 2.25in | 2.25in |
Tire Width Max | 2.6in | 2.6in | 2.6in | 2.6in |
Tire Outer Diameter | 736.3mm | 736.3mm | 736.3mm | 736.3mm |
Bike Length with Tires | 1877.3mm | 1913.3mm | 1949.3mm | 1983.3mm |
Crank Length | 175mm | 175mm | 175mm | 175mm |
Handlebar Width | 740mm | 740mm | 760mm | 780mm |
Stem Length | 60mm | 60mm | 60mm | 60mm |
Stem Angle | 0deg | 0deg | 0deg | 0deg |
Published Sizing Recommendations
Height | 5 ft 1 in to 5 ft 5 in | 5 ft 5 in to 5 ft 10 in | 5 ft 10 in to 6 ft 2 in | 6 ft 2 in to 6 ft 5 in |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Hardtail Cross-country MTBSource:https://spotbikes.com/collections/bikes/products/rocker-geared