Rocky Mountain Growler Jr 24 Kids' Mountain Bike
Whether they're hopping off curbs or charging rowdy singletrack, the Rocky Mountain Growler Jr 24 kids' mountain bike sets young riders up right to ride hard and have fun doing it.
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- A burly hardtail best for experienced junior riders who aren't afraid to go big
- FORM™ alloy tubesets utilize premium materials to meet strict requirements
- Each FORM tube is engineered for its specific purpose within the frame, ensuring optimized strength, weight and ride quality
- NOTE: Specs and images are subject to change based on component availability
Imported.
- 1 year of free adjustments (see more below)
- In-store bike assembly
- Pickup in store or curbside
- Bike experts available at 170+ bike shops
- 20% off shop services
- Free tubes with purchase of flat tire repair (Co-op Cycles brand tubes only; tube must be installed at time of purchase)
New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
| Best Use | Mountain Biking |
|---|---|
| Frame | Rocky Mountain 6061 alloy |
| Step-Through | No |
| Mountain Bike Style | Trail |
| Bike Suspension | Front Suspension |
| Fork | Suntour XCM30 80 mm |
| Fork Travel | 80 millimeters |
| Crankset | Rocky Mountain Microdrive 3PC; 28T; 76 mm asymmetrical BCD; crank length: 155 mm |
| Bottom Bracket | Sealed cartridge bearing |
| Shifters | MicroShift Acolyte 8-speed |
| Rear Derailleur | MicroShift Advent with clutch |
| Rear Cogs | MicroShift CS-H083 12-42T |
| Number of Gears | 8 gear(s) |
| Brake Type | Mechanical Disc Brake |
| Brakes | Tektro HD-M276; short reach lever; Shimano pad compatible |
| Brake Levers | Tektro HD-M276; short reach lever; Shimano pad compatible |
| Rims | Rocky Mountain JR30 Tubeless; 32H; tubeless compatible (tape/valves/sealant not included) |
| Front Hub | Rocky Mountain Boost 15 mm |
| Rear Hub | Rocky Mountain QR |
| Wheel Size | 24 inches |
| Tires | Kenda Kadre |
| Tire Width | 2.6 inches |
| Handlebar Shape | Flat Bar |
| Handlebar | Rocky Montain Jr; 640 mm width; 25 mm rise; 9 deg. backsweep; 5 deg. upsweep; 31.8 for 19 mm grips |
| Stem | Rocky Mountain 31.8 XC; 7 deg. rise; all sizes: 40 mm |
| Seat Post | Rocky Mountain Pivotal 30.9 mm |
| Saddle | Rocky Mountain Pivotal |
| Pedals | Nylon platform |
| Headset | Rocky Mountain ZS44|56; loose ball bearings; 1-1/8 in. Crown Race |
| Chain | KMC Z8.3 |
| Weight | 28 lbs. 4 oz. |
| Bike Weight | Bike weight is based on median size, as sold, or the average of two median sizes. |
| Gender | Kids' |
| 24 IN | |
|---|---|
| Reach | 356 |
| Stack | 519 |
| Effective Top Tube | 520 |
| Seat Tube Center-Top | 300 |
| Standover Height | 695 |
| Head Tube Length | 100 |
| Head Tube Angle (degrees) | 66 |
| Seat Tube Angle (degrees) | 73 |
| Wheelbase | 1029 |
| Chainstay | 410 |
Sizing Notes
Measurements are stated in millimeters unless otherwise indicated.
Recommended for inseam lengths of 20.5 - 28 inches.
How we measure bikes
- Standover Height Standover Height is a measurement from the ground to the top of the top tube, measured at the midpoint of the top tube.
- Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
- Stack Stack is the vertical distance from the center of the cranks to the center of the head tube, measured to the top of the head tube.
- Effective Top Tube Effective top tube is the distance from the center of the head tube to the center of the seat tube/seat post, measured parallel to the ground.
- Seat Tube Center to Top Seat Tube length is the measurement of the seat tube, from the center of the cranks to the top of the seat tube.
- Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
- Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
- Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
- Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
- Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
- Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
- Fork Offset Fork Offset, or rake, is the distance from the front axle to a line drawn parallel to the center of the head tube or steering axis.