2022 Rocky Mountain

Fusion 40

A 29″ aluminum frame hardtail crosscountry bike with upper mid-range components.
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MSRP$1,439
FrameAluminum
SuspensionHardtail, 100mm
ForkRockShox Judy Silver TK
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetSX Eagle
BrakesHydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Fusion 40
Other Crosscountry 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)

24 mph

Fusion 40

27 mph

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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 Fusion model range

View Comparison
Sizing
SM

5'4" – 5'7"

MD

5'5" – 5'11"

LG

5'9" – 6'3"

XL

6'1" – 6'6"

Rider Fit Notes

None yet.

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Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Rocky Mountain 6061 Alloy. Threaded BB. Zero Stack Tapered Headtube Rear Triangle

BB StandardBSA, 73mm, Threaded

ColorGreen / Black

Fork

RockShox Judy Silver Fast Black TK Air 100mm

Travel100mm

Spring TypeAir

Bottom Bracket

SRAM Powerspline

Headset

Rocky Mountain | Loose Ball Bearings | 1.5" Crown Race

Stem

Rocky Mountain 31.8 XC | 7° Rise | All Sizes = 50m

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

SRAM SX Eagle

Crank

SRAM SX Eagle Powerspline | 30T |SM-MD 170mm Crank Length | LG-XL 175mm Crank Length

Shifters

SRAM SX Eagle

Cassette

SRAM PG-1210 11-50T

Chain

SRAM SX Eagle

Brakes

Clarks M2 2 Piston | Resin Pads | F: Shimano RT10 160mm | R: Shimano RT10 160mm

TypeHydraulic Disc

Wheels
Rims

WTB ST i30 TCS 2.0 Tubeless | 32H | Tubeless Compatible - Tape | Valves | Sealant Not Incl

Spokes

2.0 Stainless

Front Hub

Rocky Mountain QR

Rear Hub

Rocky Mountain QR

Tires

F: WTB Ranger Comp 29 x 2.4 | R: WTB Ranger Comp 29 x 2.4

Rider Notes
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Last updated March 25