2021 RSD Bikes RS-291 Base
- Category
- Hardtail All-mountain/Enduro MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Steel
- Fork
- Steel
- Suspension
- 160mm fork travel
- Features
- Disc brake
Somewhat upright 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 | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
Small | Medium | Large | Extra Large | |
Stack | 631mm | 638mm | 646mm | 656mm |
Reach | 416mm | 454mm | 477mm | 499mm |
Stack to Reach Ratio | 1.52:1 | 1.41:1 | 1.35:1 | 1.31:1 |
Seat Tube Length, C-T | 390mm | 410mm | 440mm | 470mm |
Top Tube Length, Effective/Horizontal Center | 575mm | 609mm | 628mm | 651mm |
Top Tube Length, Effective/Horizontal HT Top | 585mm | 625mm | 650mm | 675mm |
Top Tube Slope | 26.2deg | 23.4deg | 20.5deg | 18deg |
Head Tube Angle | 63deg | 63deg | 63deg | 63deg |
Seat Tube Angle | 75deg | 75deg | 75deg | 75deg |
Head Tube Length | 90mm | 100mm | 110mm | 120mm |
Bottom Bracket Drop | 54.5mm | 54.5mm | 54.5mm | 54.5mm |
Bottom Bracket Height | 320mm | 320mm | 320mm | 320mm |
Chainstay Length Horizontal | 420mm | 420mm | 420mm | 420mm |
Front-Center | 764.9mm | 806.8mm | 833.8mm | 860.7mm |
Front-Center Horizontal | 763mm | 805mm | 832mm | 859mm |
Wheelbase | 1183mm | 1225mm | 1252mm | 1279mm |
Fork Offset/Rake | 51mm | 51mm | 51mm | 51mm |
Fork Length (Axle-To-Crown) | 571mm | 571mm | 571mm | 571mm |
Trail | 133.6mm very high | 133.6mm very high | 133.6mm very high | 133.6mm very high |
Mechanical Trail | 119mm | 119mm | 119mm | 119mm |
Wheel Flop | 54mm | 54mm | 54mm | 54mm |
Standover Height | 674mm | 680mm | 686mm | 696mm |
Tire to Pedal Spindle | 215.4mm 175 mm cranks | 257.3mm 175 mm cranks | 284.3mm 175 mm cranks | 311.2mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 145mm 175 mm cranks | 145mm 175 mm cranks | 145mm 175 mm cranks | 145mm 175 mm cranks |
Base Build
Small | Medium | Large | Extra 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 | 2.5in | 2.5in | 2.5in | 2.5in |
Tire Outer Diameter | 749mm | 749mm | 749mm | 749mm |
Bike Length with Tires | 1932mm | 1974mm | 2001mm | 2028mm |
Crank Length | 175mm | 175mm | 175mm | 175mm |
Handlebar Width | 780mm | 780mm | 780mm | 780mm |
Stem Length | 50mm | 50mm | 50mm | 50mm |
Published Sizing Recommendations
Height | 155 cm to 170 cm | 170 cm to 180 cm | 178 cm to 188 cm | 185 cm to 193 cm |
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 All-mountain/Enduro MTBSource:https://rsdbikes.com/rs291-chromoly/