2021 Sour Bicycles Crumble Base S 27,5''

Build

650B/27.5 in × 2.5 in

Insights

Average stack and reach vs trend of hardtail trail mtb bikes
Design deviates from other sizes of Sour Bicycles Crumble
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
630mm
Reach
440mm
Stack to Reach Ratio
1.43:1
Seat Tube Length, Unknown
370mm
Top Tube Length, Effective/Horizontal Unknown
590mm
Top Tube Slope
27deg
Head Tube Angle
66deg
Seat Tube Angle
75.5deg
Head Tube Length
95mm
Bottom Bracket Drop
48mm
Bottom Bracket Height
307.5mm
Chainstay Length
415mm
Chainstay Length Horizontal
412.2mm
Front-Center
750.3mm
Front-Center Horizontal
748.8mm
Wheelbase
1161mm
Fork Offset/Rake
51mm
Fork Length, Unknown
515mm
Trail
102.5mm
very high
Mechanical Trail
93.6mm
Wheel Flop
38.1mm
Tire to Pedal Spindle Distance
With 170 mm cranks
224.8mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
137.5mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.5in
Tire Outer Diameter
711mm
Bike Length with Tires
1872mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
130mm
Suspension Sag
Unknown
Frame Material
Steel
Fork Material
N/A
Brake Type
Disc
Source:https://sour.bike/candy-shop/bikes/crumble/