MSRP | $689 | $739 |
|---|---|---|
Where to Buy | — $1 At | — $1 At |
Category | Mountain Youth | Mountain Youth |
| Aluminum | Aluminum | |
Fork | Suntour XCM | Suntour XCR Air |
Wheels | Aluminum | Aluminum |
Wheel Size | 20″ | 24″ |
Brakes | Hydraulic Disc | Hydraulic Disc |
Groupset | X4, X5 | X5 |
Drivetrain | 1 × 9 | 1 × 9 |
Suspension | Hardtail | Hardtail |
Front Travel | 80mm | 65mm |
Brand Site | ||
Summary | The Rocky Mountain Vertex Jr 20 and Rocky Mountain Vertex Jr 24 are both aluminum frame mountain youth bikes with hydraulic disc brakes. The Vertex Jr 20 has 20″ aluminum wheels, better components, and a bigger fork; while the Vertex Jr 24 has 24″ aluminum wheels, a better fork, and higher gearing. | |
Frame | Rocky Mountain 6061 SL Alloy. Threaded BB. Zero Stack Headtube. 20" Kid's Geometry BB Standard: BSA, Threaded | Rocky Mountain 6061 SL Alloy. Threaded BB. Zero Stack Headtube. 24" Kid's Geometry BB Standard: BSA, Threaded |
|---|---|---|
Fork | Suntour XCM JR Air 80mm Travel: 65mm Spring Type: Air | Suntour XCR LO Air 65mm Travel: 65mm Spring Type: Air |
Bottom Bracket | SR Suntour Sealed Cartridge Bearing | Rocky Mountain Sealed - Shimano Compatible |
Headset | FSA No. 10P | FSA No. 10P |
Stem | Rocky Mountain XC | Rocky Mountain XC |
Handlebar | Rocky Mountain XC 600mm | Rocky Mountain XC 640mm |
Saddle | Rocky Mountain Pivotal Kids | Rocky Mountain Pivotal Kids |
Seatpost | Rocky Mountain Pivotal 27.2mm | Rocky Mountain Pivotal 27.2mm |
Pedals | Composite Kids | Nylon Platform |
Grips | Rocky Mountain Slide On Kids | Rocky Mountain Slide On Kids |
Rear Derailleur | SRAM X4 9 Spd | SRAM X5 9 Spd |
|---|---|---|
Crank | Rocky Mountain Microdrive 28T | Rocky Mountain Microdrive 2PC 28T |
Shifters | SRAM X5 | SRAM X5 |
Cassette | SunRace CSM98 11-36T 9 Spd | SunRace CSM980 11-40T 9 Spd |
Chain | KMC X9 | KMC X9 |
Brakes | Shimano MT200 2 Piston | Shimano MT201 2 Piston |
Brake Levers | Shimano MT200 | Shimano MT201 |
Rims | WTB SX17 | WTB SX17 |
|---|---|---|
Spokes | 2.0 Stainless | 2.0 Stainless |
Front Hub | Shimano TX505 | Shimano TX505 |
Rear Hub | Shimano TX505 | Shimano TX505 |
Tires | VeeTire Crown GEM 20x2.25 | VeeTire Crown GEM 24x2.25 |