2024 Soma Fabrications Riff 2.0 Base
- Category
- Hardtail Trail MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Steel
- Suspension
- 120mm fork travel, 0% sag
- Features
- Disc brake, Single-speed capable
Geometry
XS | SM | MD | LG | |
Stack | 603mm | 613mm | 622mm | 626mm |
Reach | 390mm | 410mm | 430mm | 453mm |
Stack to Reach Ratio | 1.55:1 | 1.5:1 | 1.45:1 | 1.38:1 |
Seat Tube Length, C-T | 360mm | 390mm | 420mm | 460mm |
Top Tube Length, Actual C-C | 568mm | 590mm | 613mm | 642mm |
Top Tube Slope | 27.7deg | 24.7deg | 21.8deg | 17.6deg |
Head Tube Angle | 67.6deg | 67.6deg | 67.6deg | 67.6deg |
Seat Tube Angle | 73.8deg | 73.8deg | 73.8deg | 73.8deg |
Head Tube Length | 100mm | 110mm | 120mm | 130mm |
Bottom Bracket Drop | 45mm | 45mm | 45mm | 45mm |
Bottom Bracket Height | 302.9mm | 302.9mm | 302.9mm | 302.9mm |
Chainstay Length | 427mm | 427mm | 427mm | 427mm |
Chainstay Length Max | 442mm | 442mm | 442mm | 442mm |
Chainstay Length Horizontal | 424.6mm | 424.6mm | 424.6mm | 424.6mm |
Chainstay Length Horizontal Max | 439.7mm | 439.7mm | 439.7mm | 439.7mm |
Front-Center | 669mm | 692mm | 717mm | 747mm |
Front-Center Horizontal | 668.4mm | 691.4mm | 715.4mm | 746.4mm |
Wheelbase | 1093mm | 1116mm | 1140mm | 1171mm |
Wheelbase Max | 1108.1mm | 1131.1mm | 1155.1mm | 1186.1mm |
Fork Offset/Rake | 44.7mm | 43.7mm | 44mm | 49.8mm |
Fork Length (On-Axis) | 512mm | 512mm | 512mm | 512mm |
Trail | 95mm very high | 96.1mm very high | 95.8mm very high | 89.5mm very high |
Mechanical Trail | 87.8mm | 88.9mm | 88.6mm | 82.7mm |
Wheel Flop | 33.5mm | 33.9mm | 33.8mm | 31.5mm |
Standover Height | 752mm | 770mm | 717mm | 747mm |
Tire to Pedal Spindle | 151.1mm 170 mm cranks | 174.1mm 170 mm cranks | 199.1mm 170 mm cranks | 229.1mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 132.9mm 170 mm cranks | 132.9mm 170 mm cranks | 132.9mm 170 mm cranks | 132.9mm 170 mm cranks |
Base Build
XS | SM | MD | LG | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 2.2in | 2.2in | 2.2in | 2.2in |
Tire Width Max | 2.8in | 2.8in | 2.8in | 2.8in |
Tire Outer Diameter | 695.8mm | 695.8mm | 695.8mm | 695.8mm |
Bike Length with Tires | 1788.8mm | 1811.8mm | 1835.8mm | 1866.8mm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Hardtail Trail MTBSource:https://www.somafab.com/archives/product/riff-27-5-hardtail-frame