2021 Roost Bike Nero Base
- Category
- Hardtail All-mountain/Enduro MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Titanium
- Suspension
- 140mm 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 | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
Small | Medium | Large | Extra Large | |
Stack | 610mm | 623mm | 632mm | 637mm |
Reach | 431mm | 452mm | 475mm | 503mm |
Stack to Reach Ratio | 1.42:1 | 1.38:1 | 1.33:1 | 1.27:1 |
Top Tube Length, Actual C-C | 593mm | 617mm | 635mm | 657mm |
Head Tube Angle | 65deg | 65deg | 65deg | 65deg |
Seat Tube Angle | 74deg | 74deg | 74deg | 74deg |
Head Tube Length | 105mm | 120mm | 130mm | 135mm |
Bottom Bracket Drop | 50mm | 50mm | 50mm | 50mm |
Bottom Bracket Height | 322mm | 322mm | 322mm | 322mm |
Chainstay Length | 425mm | 425mm | 430mm | 435mm |
Chainstay Length Horizontal | 422.1mm | 422.1mm | 427.1mm | 432.1mm |
Front-Center | 728.7mm | 744.6mm | 809.5mm | 838.4mm |
Front-Center Horizontal | 727mm | 743mm | 807.9mm | 836.9mm |
Wheelbase | 1149mm | 1165mm | 1235mm | 1269mm |
Fork Offset/Rake | 31.6mm | 21.5mm | 55.8mm | 54.5mm |
Fork Length, Unknown | 140mm | 140mm | 140mm | 140mm |
Trail | 138.6mm very high | 149.7mm very high | 111.9mm very high | 113.3mm very high |
Mechanical Trail | 125.6mm | 135.7mm | 101.4mm | 102.7mm |
Wheel Flop | 53.1mm | 57.3mm | 42.9mm | 43.4mm |
Tire to Pedal Spindle | 186.7mm 170 mm cranks | 202.7mm 170 mm cranks | 267.5mm 170 mm cranks | 296.4mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 152mm 170 mm cranks | 152mm 170 mm cranks | 152mm 170 mm cranks | 152mm 170 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 | 2.4in | 2.4in | 2.4in | 2.4in |
Tire Outer Diameter | 743.9mm | 743.9mm | 743.9mm | 743.9mm |
Bike Length with Tires | 1892.9mm | 1908.9mm | 1978.9mm | 2012.9mm |
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://roostbike.com/products/roost-nero-ti/