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2018 Rocky Mountain

Vertex 20

A 20″ / 24″ aluminum frame mountain youth bike with mid-range components and shimano hydraulic disc brakes.
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Manufacturer Price

$699
FrameAluminum
SuspensionHardtail, 65mm
ForkSuntour XCM
Wheels20″ / 24″ Aluminum
Drivetrain1 × 9
GroupsetSora, Altus
BrakesShimano Hydraulic Disc
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Insights
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)

18 mph

Vertex 20

Highest gear

(descending)

Reviews
Mountain Bike Action
Bike Test: Rocky Mountain Vertex

Nov 2018 · McCoy

B.C. XC in a hardtail

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BIKE Magazine
Rocky Mountain Updates the Vertex

Mar 2018

The race-ready hardtail receives a facelift.

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MTBR
2018 Rocky Mountain Vertex debuts

Mar 2018 · Mtbr

Rocky Mountain has updated the Vertex, its flagship XC-race hardtail, which is now lighter and more aggressive. - Mtbr.com

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Mountain Flyer
Tested: Rocky Mountain Vertex 20

Oct 2016

Ah to be a kid.… When I ventured out on a bike ride with my 8-year-old boy this summer, we made a few stops along the way. All suited up in his bright green swim trunks with matching shirt and sun hat (jammed under his helmet), he hopped aboard the Rocky Mountain Vertex 20.

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Geometry
Specs
Build
Frame

Rocky Mountain 6061 SL Alloy. Threaded BB. Zero Stack Headtube. 20" Kid's Geometry

BB StandardBSA, Threaded

Fork

Suntour XCM JR Air 65mm

Travel65mm

Spring TypeAir

Bottom Bracket

FSA Sealed Cartridge Bearing

Headset

FSA No. 10P

Stem

Rocky Mountain AM

Handlebar

Rocky Mountain AM 580mm

Saddle

Rocky Mountain Kids

Seatpost

Rocky Mountain SL 27.2mm

TypeRigid

Grips

Rocky Mountain Slide On Kids

Groupset
Rear Derailleur

Shimano Sora

Crank

Rocky Mountain Microdrive 28T

Shifters

Shimano Altus

Cassette

Shimano CS-200 11-32T

Chain

KMC X9

Brakes

Shimano M315

TypeShimano Hydraulic Disc

Wheels
Rims

WTB SX17

Spokes

2.0 Stainless

Front Hub

Shimano RM35

Rear Hub

Shimano RM35

Tires

Schwalbe Black Jack 20 x 1.9 / Schwalbe Black Jack 20 x 1.9

Rider Notes
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First added September 9

Last updated April 14

Not listed for 1,886 days