Diamondback Line 24 Mountain Bike - Kids'
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A legit mountain bike, only smaller, the Diamondback Line 24 is a junior version of the do-anything hardtail mountain bike, letting young riders explore trails and ride daily through the neighborhood.
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- Made from the same aluminum alloy as full-size Diamondback bikes, it's just as tough and ready to ride on trails
- SR Suntour fork performs like the big people's bikes, giving your ripper-to-be 80 mm of front suspension travel so they can go up and over rocks and roots
- Tektro Aries mechanical disc brakes with 160 mm rotors have adjustable-reach levers—perfect for fast-growing hands
- SRAM 8-speed drivetrain provides ample gears for hills and rolling descents without the fuss of a front derailleur
- Fits riders 53–62 in. tall, aged approximately 8–12 years old
- Platform pedals included
- 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 |
|---|---|
| Mountain Bike Style | Trail |
| Frame | 6061-T6 aluminum |
| Bike Suspension | Front Suspension |
| Fork | SR Suntour XCT JR 24 in., 80 mm travel, 28 mm stanchion, aluminum lowers, with Preload Adjust |
| Fork Travel | 80 millimeters |
| Crankset | Aluminum arm, with 32T steel single ring, 155 mm arms |
| Bottom Bracket | Sealed cartridge |
| Shifters | SRAM X4, 8-speed |
| Rear Derailleur | SRAM X4, 8-speed |
| Rear Cogs | SRAM PG820 cassette, 8-speed, 11-32T |
| Number of Gears | 8 gear(s) |
| Brake Type | Mechanical Disc Brake |
| Brakes | Tektro Aries mechanical disc, with 160 mm rotors |
| Brake Levers | Tektro 2-finger aluminum linear with Reach Adjust |
| Rims | 32 h Diamondback Doublewall |
| Front Hub | 32 h aluminum with CNC disc mount |
| Rear Hub | 32 h aluminum with CNC disc mount, cassette |
| Wheel Size | 24 inches |
| Tires | Vee Rubber Crown Gem, 24 x 2.25 in. |
| Tire Width | 2.25 inches |
| Handlebar Shape | Riser Bar |
| Handlebar | Diamondback, 720 mm wide, 15 mm rise, 31.8 mm bar bore |
| Stem | Diamondback Shortie, 45 mm reach, 31.8 mm bar bore |
| Seat Post | Aluminum Micro Adjust, 27.2 mm |
| Saddle | DB Sync'r Jr. saddle |
| Pedals | DB4L resin platform |
| Headset | FSA IS-3/NO.11 integrated style |
| Chain | KMC Z82, 8-speed |
| Weight | Unavailable |
| Gender | Kids' |
| 24 IN | |
|---|---|
| Height Range | 4'5" - 5'2" |
| Reach | 328 |
| Stack | 497 |
| Seat Tube Center-Top | 317 |
| Standover Height | 635 |
| Head Tube Length | 105 |
| Head Tube Angle (degrees) | 69 |
| Seat Tube Angle (degrees) | 71 |
| Bottom Bracket Height | 295 |
| Wheelbase | 962 |
| Chainstay | 410 |
Sizing Notes
Measurements are stated in millimeters unless otherwise indicated.
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.