2017 Chumba Cycles URSA 29plus Backcountry Base XL

Build

700C/29 in × 3 in

Insights

Somewhat aggressive stack and reach vs trend of hardtail cross-country mtb bikes
Design deviates from other sizes of Chumba Cycles URSA 29plus Backcountry
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
616mm
Reach
454mm
Stack to Reach Ratio
1.36:1
Seat Tube Length, C-T
520.7mm
Top Tube Length, Effective/Horizontal Center
645mm
Top Tube Slope
11.1deg
Head Tube Angle
69deg
Seat Tube Angle
72.5deg
Head Tube Length
115mm
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
717.6mm
Front-Center Horizontal
715.4mm
Wheelbase
1172mm
Wheelbase Max
1172mm
Fork Offset/Rake
43.4mm
Fork Length (Axle-To-Crown)
490mm
Trail
102.2mm
very high
Mechanical Trail
95.4mm
Wheel Flop
34.2mm
Standover Height
825.5mm
Tire to Pedal Spindle Distance
With 170 mm cranks
160.4mm
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
1946.4mm
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