2022 Rocky Mountain Blizzard Alloy 20
- Category
- Rigid Fatbike
- Design
- Flat Bar, Rigid, suspension corrected
- Frame
- Aluminum
- Fork
- Aluminum
- Features
- Disc brake
Geometry
SM | MD | LG | XL | |
Stack | 604mm | 608mm | 618mm | 627mm |
Reach | 425mm | 450mm | 475mm | 500mm |
Stack to Reach Ratio | 1.42:1 | 1.35:1 | 1.3:1 | 1.25:1 |
Seat Tube Length, Unknown | 380mm | 420mm | 445mm | 480mm |
Top Tube Length, Effective/Horizontal HT Top | 598mm | 624mm | 652mm | 679mm |
Top Tube Slope | 24.3deg | 19.9deg | 17.7deg | 14.7deg |
Head Tube Angle | 66deg | 66deg | 66deg | 66deg |
Seat Tube Angle | 74deg | 74deg | 74deg | 74deg |
Head Tube Length | 105mm | 110mm | 120mm | 130mm |
Bottom Bracket Drop | 65mm | 65mm | 65mm | 65mm |
Bottom Bracket Height | 331.3mm | 331.3mm | 331.3mm | 331.3mm |
Chainstay Length | 455mm | 455mm | 455mm | 455mm |
Chainstay Length Horizontal | 450.3mm | 450.3mm | 450.3mm | 450.3mm |
Front-Center | 723.6mm | 750.5mm | 779.4mm | 808.3mm |
Front-Center Horizontal | 720.7mm | 747.7mm | 776.7mm | 805.7mm |
Wheelbase | 1171mm | 1198mm | 1227mm | 1256mm |
Fork Offset/Rake | 51mm | 51mm | 51mm | 51mm |
Trail | 120.6mm very high | 120.6mm very high | 120.6mm very high | 120.6mm very high |
Mechanical Trail | 110.2mm | 110.2mm | 110.2mm | 110.2mm |
Wheel Flop | 44.8mm | 44.8mm | 44.8mm | 44.8mm |
Standover Height | 770mm | 782mm | 788mm | 802mm |
Tire to Pedal Spindle | 157.3mm 170 mm cranks | 184.2mm 170 mm cranks | 213mm 170 mm cranks | 241.9mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 161.3mm 170 mm cranks | 161.3mm 170 mm cranks | 161.3mm 170 mm cranks | 161.3mm 170 mm cranks |
Alloy 20 Build
SM | MD | LG | XL | |
Wheel Size | 26 in 559 mm BSD | 26 in 559 mm BSD | 26 in 559 mm BSD | 26 in 559 mm BSD |
Tire Width | 4.6in | 4.6in | 4.6in | 4.6in |
Tire Outer Diameter | 792.7mm | 792.7mm | 792.7mm | 792.7mm |
Bike Length with Tires | 1963.7mm | 1990.7mm | 2019.7mm | 2048.7mm |
Published Sizing Recommendations
Height | 5 ft 2 in to 5 ft 7 in | 5 ft 6 in to 5 ft 10 in | 5 ft 9 in to 6 ft 2 in | 6 ft 1 in to 6 ft 6 in |
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
Rigid FatbikeSource:https://bikes.com/collections/blizzard/products/blizzard-a20-22