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Rocky Mountain Vertex Jr 20

Rocky Mountain Vertex Jr 20
This item is currently not available.


The Vertex Jr is similar to the Soul Jr, but a bit more built up. It comes in two sizes—20 and 24. With burlier components and wider tires, the Vertex Jr is best for junior riders ready to tackle beginner to intermediate trails.

- Lightweight kids XC bike
- Killer paint job!
- Air sprung suspension fork
- Powerful hydraulic disc brakes, easy to set up for small hands
- Simple 1x drivetrain
- One size

Geometry Chart:
Top Tube Horizontal (mm) 470
Head Tube Angle (deg) 68
Head Tube Length (mm) 100
Seat Tube Angle (deg) 71
Seat Tube Length (mm) 255
Rear Centre (mm) 347
Bottom Bracket Drop (mm) 15
Reach (mm) 323
Stack (mm) 428
Standover Height (mm) 550
Wheelbase (mm) 872

These figures are a rough guide only. Rider proportions, riding style, and personal preferences all factor in choosing the correct bike size.
Rocky Mountain always recommends test riding and professional bike fitting at an authorized dealer.

432 - 612mm / 17 - 24"


Frame Rocky Mountain 6061 SL Alloy. Threaded BB. Zero Stack Headtube. 20" Kid's Geometry
Fork Suntour XCM JR Air 80mm
Rims Rocky Mountain JR25 Tubeless | 32H | Tubeless Compatible - Tape | Valves | Sealant Not Included
Hubs Shimano TX505
Spokes 2.0 Stainless
Tires F: Kenda Amrak 20 x 2.4 | R: Kenda Amrak 20 x 2.4
Bottom Bracket SR Suntour Sealed Cartridge Bearing
Crankset Rocky Mountain Microdrive 3PC | 28T |Sram 76mm BCD |Crank Length: 127mm
Shifters SunRace DLM903 Trigger
Rear Derailleur SunRace RDM903 With Clutch
Cassette/Freewheel SunRace CSM980 11-42T
Chain KMC X9
Brakes Shimano MT4100 2 Piston | Resin Pads | F: Shimano RT10 160mm | R: Shimano RT10 160mm
Handlebars Rocky Mountain XC | 600mm Width | 25mm Rise | 9° Backsweep | 5° Upsweep | 31.8 Clamp
Tape/Grips Rocky Mountain Slide On Kids
Stem Rocky Mountain 31.8 AM | 7° Rise | All Sizes = 40m
Headset Rocky Mountain | Loose Ball Bearings | 1-1/8" Crown Race
Seatpost Rocky Mountain Pivotal 27.2mm
Saddle Rocky Mountain Pivotal Jr
Pedals Sold separately

* Subject to change without notice.