2017 Chumba Cycles Stella Titanium Base
- Category
- Hardtail Cross-country MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Titanium
- Suspension
- 100mm 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 | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
SM | MD | LG | XL | |
Stack | 616mm | 618mm | 626mm | 638mm |
Reach | 397mm | 416mm | 433mm | 443mm |
Stack to Reach Ratio | 1.55:1 | 1.49:1 | 1.45:1 | 1.44:1 |
Seat Tube Length, C-T | 381mm | 431.8mm | 482.6mm | 533.4mm |
Top Tube Length, Effective/Horizontal Center | 585mm | 605mm | 625mm | 645mm |
Top Tube Slope | 26.3deg | 20.7deg | 16deg | 12.1deg |
Head Tube Angle | 70deg | 70deg | 70deg | 70.5deg |
Seat Tube Angle | 73deg | 73deg | 73deg | 72.5deg |
Head Tube Length | 100mm | 100mm | 110mm | 120mm |
Bottom Bracket Drop | 51.5mm | 51.5mm | 51.5mm | 51.5mm |
Bottom Bracket Height | 316.7mm | 316.7mm | 316.7mm | 316.7mm |
Chainstay Length | 443mm | 443mm | 443mm | 443mm |
Chainstay Length Max | 463mm | 463mm | 463mm | 463mm |
Chainstay Length Horizontal | 440mm | 440mm | 440mm | 440mm |
Chainstay Length Horizontal Max | 460.1mm | 460.1mm | 460.1mm | 460.1mm |
Front-Center | 651mm | 671mm | 689.9mm | 699.9mm |
Front-Center Horizontal | 649mm | 669mm | 688mm | 698mm |
Wheelbase | 1089mm | 1109mm | 1128mm | 1138mm |
Wheelbase Max | 1109mm | 1129mm | 1148mm | 1158mm |
Fork Offset/Rake | 43.7mm | 44mm | 43.1mm | 44.6mm |
Trail | 87.5mm very high | 87.2mm very high | 88.1mm very high | 83.1mm very high |
Mechanical Trail | 82.2mm | 81.9mm | 82.8mm | 78.3mm |
Wheel Flop | 28.1mm | 28mm | 28.3mm | 26.1mm |
Tire to Pedal Spindle | 112.8mm 170 mm cranks | 132.8mm 170 mm cranks | 151.7mm 170 mm cranks | 161.7mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 146.7mm 170 mm cranks | 146.7mm 170 mm cranks | 146.7mm 170 mm cranks | 146.7mm 170 mm cranks |
Base Build
SM | MD | LG | XL | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 3in | 3in | 3in | 3in |
Tire Width Max | 3in | 3in | 3in | 3in |
Tire Outer Diameter | 736.4mm | 736.4mm | 736.4mm | 736.4mm |
Bike Length with Tires | 1825.4mm | 1845.4mm | 1864.4mm | 1874.4mm |
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:Bike Counterculture Geometry Database