2024 Soma Fabrications Riff 2.0 Base SM

Build

650B/27.5 in × 2.2 in

Insights

Average stack and reach vs trend of hardtail trail mtb bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
613mm
Reach
410mm
Stack to Reach Ratio
1.5:1
Seat Tube Length, C-T
390mm
Top Tube Length, Actual C-C
590mm
Top Tube Slope
24.7deg
Head Tube Angle
67.6deg
Seat Tube Angle
73.8deg
Head Tube Length
110mm
Bottom Bracket Drop
45mm
Bottom Bracket Height
302.9mm
Chainstay Length
427mm
Chainstay Length Max
442mm
Chainstay Length Horizontal
424.6mm
Chainstay Length Horizontal Max
439.7mm
Front-Center
692mm
Front-Center Horizontal
691.4mm
Wheelbase
1116mm
Wheelbase Max
1131.1mm
Fork Offset/Rake
43.7mm
Fork Length (On-Axis)
512mm
Trail
96.1mm
very high
Mechanical Trail
88.9mm
Wheel Flop
33.9mm
Standover Height
770mm
Tire to Pedal Spindle Distance
With 170 mm cranks
174.1mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
132.9mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.2in
Tire Outer Diameter
695.8mm
Bike Length with Tires
1811.8mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
120mm
Suspension Sag
0%
Frame Material
Steel
Fork Material
Unknown
Brake Type
Disc
Features
Single-speed capable
Source:https://www.somafab.com/archives/product/riff-27-5-hardtail-frame