2017 Chumba Cycles Stella Steel Steel (29" wheels)

Design
Flat Bar, Hardtail (Front suspension)
Frame
Steel
Fork
100mm travel
Features
Disc brake
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

SM
MD
LG
XL
Stack
607mm
618mm
626mm
638mm
Reach
398mm
416mm
433mm
443mm
Stack to Reach Ratio
1.53:1
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
25.5deg
20.7deg
16deg
12.1deg
Head Tube Angle
70deg
70deg
70deg
70.5deg
Seat Tube Angle
73deg
73deg
73deg
72.5deg
Head Tube Length
90mm
100mm
110mm
120mm
Bottom Bracket Drop
51.5mm
51.5mm
51.5mm
51.5mm
Bottom Bracket Height
320.5mm
320.5mm
320.5mm
320.5mm
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
45.9mm
44mm
43.1mm
44.6mm
Trail
86.6mm
very high
88.6mm
very high
89.5mm
very high
84.4mm
very high
Mechanical Trail
81.3mm
83.2mm
84.1mm
79.6mm
Wheel Flop
27.8mm
28.5mm
28.8mm
26.6mm
Tire to Pedal Spindle
109.1mm
170 mm cranks
129mm
170 mm cranks
148mm
170 mm cranks
157.9mm
170 mm cranks
Pedal Spindle to Ground Clearance
150.5mm
170 mm cranks
150.5mm
170 mm cranks
150.5mm
170 mm cranks
150.5mm
170 mm cranks

Steel (29" wheels) Build

SM
MD
LG
XL
Wheel Size
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
Tire Width
2.4in
2.4in
2.4in
2.4in
Tire Width Max
2.4in
2.4in
2.4in
2.4in
Tire Outer Diameter
743.9mm
743.9mm
743.9mm
743.9mm
Bike Length with Tires
1832.9mm
1852.9mm
1871.9mm
1881.9mm

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 Scale
Source:Bike Counterculture Geometry Database