2017 Chumba Cycles Rastro 27plus/27.5" Base LG

Build

650B/27.5 in × 3 in

Insights

Somewhat upright stack and reach vs trend of hardtail trail mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
636mm
Reach
428mm
Stack to Reach Ratio
1.49:1
Seat Tube Length, C-T
482.6mm
Top Tube Length, Effective/Horizontal Center
625mm
Top Tube Slope
17.1deg
Head Tube Angle
67deg
Seat Tube Angle
73deg
Head Tube Length
120mm
Bottom Bracket Drop
33mm
Bottom Bracket Height
335.2mm
Chainstay Length
430mm
Chainstay Length Max
430mm
Chainstay Length Horizontal
428.7mm
Chainstay Length Horizontal Max
428.7mm
Front-Center
731mm
Front-Center Horizontal
730.3mm
Wheelbase
1159mm
Wheelbase Max
1159mm
Fork Offset/Rake
42.6mm
Trail
110mm
very high
Mechanical Trail
101.2mm
Wheel Flop
39.6mm
Tire to Pedal Spindle Distance
With 170 mm cranks
192.8mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
165.2mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
3in
Tire Outer Diameter
736.4mm
Bike Length with Tires
1895.4mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
150mm
Suspension Sag
Unknown
Frame Material
Steel
Fork Material
Unknown
Brake Type
Disc
Source:Bike Counterculture Geometry Database