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2023 Rocky Mountain

Blizzard A20

A 27.5″ aluminum frame rigid fat bike with upper mid-range components.
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Manufacturer Price

$1,799
FrameAluminum
SuspensionRigid
ForkAluminum
Wheels27.5″ Aluminum
Drivetrain1 × 12
GroupsetDeore
BrakesShimano Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Blizzard A20
Other Fat bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

25 mph

Blizzard A20

23 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full Blizzard model range

View Comparison
Sizing
SM

5'2" – 5'7"

MD

5'5" – 5'10"

LG

5'8" – 6'3"

XL

6'1" – 6'6"

Rider Fit Notes

None yet.

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Reviews
Outdoor Gear Lab
Rocky Mountain Blizzard A20

Feb 2024 · Pat Donahue

The Rocky Mountain Blizzard A20 is an aggressive fat bike that provides familiar, comfortable, geometry to riders who typically ride trail and enduro...

Highs
  • Excellent stability at speed

  • Nice drivetrain for the price

  • Sharp-looking frame

Lows
  • Long and slack geometry is detrimental at slow speeds

  • No dropper post

Read Review

Pinkbike
Rocky Mountain Releases the 2022 Blizzard Carbon

Aug 2021 · Matt Beer

The new Blizzard gets a carbon frame and has clearance for 27.5 x 4.5" tires.

Read Review

Bikerumor
Rocky Mountain Blizzard grows with 27.5" wheels, longer & slacker fat bike geometry

Aug 2021 · Zach Overholt

See that Blizzard coming? No, well you'll hear it as it rolls in on new 27.5" fat bike rubber and new progressive geometry

Read Review

Geometry
Specs
Build
Frame

Rocky Mountain 6061 SL Series Alloy | 100mm BSA BB | Zero Stack Tapered Headtube | Internal Cable Routing | Dropper Post Compatible | 197mm Dropouts

BB StandardBSA, 100mm, Threaded

ColorRed / Blue

Fork

Rocky Mountain Fat Al

Bottom Bracket

Race Face BSA 100 24mm

Headset

FSA Orbit NO.57B | 36°x45° Bearings | 30.2mm x 41mm x 6.5mm Upper | 40mm x 51.8mm x 8.0mm Lower | 1.5" Crown Race

Stem

Rocky Mountain 31.8 XC | 7° Rise | All Sizes = 40mm

Handlebar

Rocky Mountain XC | 760mm Width | 25mm Rise | 9° Backsweep | 5° Upsweep | 31.8 Clamp

Saddle

Rocky Mountain 148 Steel

Seatpost

Rocky Mountain 30.9mm

TypeRigid

Grips

Rocky Mountain Lock On Light

Groupset
Rear Derailleur

Shimano Deore 12spd

Crank

Race Face Ride Cinch | 30T | 24mm Spindle | Crankarm Length: SM-MD = 170mm | LG - XL = 175mm

Shifters

Shimano Deore 12spd

Cassette

Shimano Deore 10-51T 12spd

Chain

Shimano M6100

Brakes

Shimano MT4100 2 Piston | Resin Pads

TypeShimano Hydraulic Disc

Wheels
Rims

WTB ST i76 | TCS Tubeless | 32 H |

Spokes

2.0 Stainless

Front Hub

Rocky Mountain Sealed 150 x 15mm

Rear Hub

SUNringlé SRC 197mm

Tires

WTB Bailiff TCS Light/High Grip 60TPI 27.5 x 4.5 | WTB Bailiff TCS Light/High Grip 60TPI 27.5 x 4.5 |

Rider Notes
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First added August 3

Last updated June 14

Not listed for 358 days