2023 Rocky Mountain

Fusion 40

A 29″ aluminum frame hardtail crosscountry bike with upper mid-range components.
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Manufacturer Price

$1,439
FrameAluminum
SuspensionHardtail, 100mm
ForkRockShox Judy Silver TK
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetSX Eagle
BrakesHydraulic Disc
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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

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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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Price History
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

ColorBlack / Brown

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 = 50mm

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

Shimano MT4100 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

Shimano TX505

Rear Hub

Shimano TX505

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 July 15
Not listed for 279 days