2017 Chumba Cycles URSA 29plus Backcountry Base SM

Build

700C/29 in × 3 in

Insights

Average stack and reach vs trend of hardtail cross-country mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
595mm
Reach
404mm
Stack to Reach Ratio
1.47:1
Seat Tube Length, C-T
381mm
Top Tube Length, Effective/Horizontal Center
585mm
Top Tube Slope
24.1deg
Head Tube Angle
69deg
Seat Tube Angle
72.5deg
Head Tube Length
90mm
Bottom Bracket Drop
56mm
Bottom Bracket Height
331.2mm
Chainstay Length
460mm
Chainstay Length Max
460mm
Chainstay Length Horizontal
456.6mm
Chainstay Length Horizontal Max
456.6mm
Front-Center
652.8mm
Front-Center Horizontal
650.4mm
Wheelbase
1107mm
Wheelbase Max
1107mm
Fork Offset/Rake
36.9mm
Fork Length (Axle-To-Crown)
490mm
Trail
109.1mm
very high
Mechanical Trail
101.9mm
Wheel Flop
36.5mm
Standover Height
736.6mm
Tire to Pedal Spindle Distance
With 170 mm cranks
95.6mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
161.2mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
3in
Tire Outer Diameter
774.4mm
Bike Length with Tires
1881.4mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
Unknown
Suspension Sag
Unknown
Frame Material
Steel
Fork Material
Unknown
Brake Type
Disc
Source:Bike Counterculture Geometry Database