2017 Chromag Bikes Surface Base M

Build

650B/27.5 in × 2.8 in

Insights

Somewhat upright stack and reach vs trend of hardtail all-mountain/enduro mtb bikes
Design deviates from other sizes of Chromag Bikes Surface
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
647mm
Reach
434mm
Stack to Reach Ratio
1.49:1
Seat Tube Length, C-T
431mm
Top Tube Length, Effective/Horizontal HT Top
603mm
Top Tube Slope
22.9deg
Head Tube Angle
66.5deg
Seat Tube Angle
75deg
Head Tube Length
115mm
Chainstay Length
425mm
Chainstay Length Max
425mm
Trail
Tire to Pedal Spindle Distance
With 170 mm cranks
Pedal Spindle to Ground Clearance
With 170 mm cranks

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.8in
Tire Outer Diameter
726.2mm
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