Description:

Haro Bikes Kids Bicycle Flightline 24 inch Plus Cool Grey
The Haro Flightline 24 Plus Disc is a trail-ready kids’ mountain bike with 24″ wheels, wide 2.60″ plus tires, Shimano 8-speed drivetrain, and powerful Tektro hydraulic disc brakes—offering control, comfort, and confidence for young riders on any terrain.

Designed for young riders ready to level up their off-road adventures, the Haro Flightline 24 Plus Disc packs real MTB performance into a kid-friendly size. Ideal for riders roughly 4′3″ to 4′9″ (129–145 cm), this 24″ hardtail mountain bike delivers a smooth, confident ride across trails, parks, and urban paths. Key features include:
Lightweight X6 Series alloy frame with a low standover height for easy handling
Rigid alloy fork paired with oversized 24 × 2.60″ Chao Yang tires for comfort and traction on loose terrain
Shimano Altus 8-speed drivetrain with Rapidfire Plus shifter and a wide gear range for climbs and descents
Tektro HD-J285 hydraulic disc brakes with 160 mm rotors for powerful, all-weather braking tailored to smaller hands
3-piece aluminum crank with double chainguard, ergonomic 660 mm alloy riser bar, and youth-sized contact points for proper fit and control
Whether tackling technical trails or cruising neighborhood hills, the Flightline 24 Plus Disc gives young shredders the tools to ride harder, brake smarter, and build confidence with every pedal stroke.
FEATURES
FL 24" Plus X6 Series frame, new chainstays
6000 Series aluminum 1-1/8" fork
Aluminum 3-pc 28T crankset w/ double chainguard
Shimano Altus 8-SPD, Rear Derailleur
Chao Yang H5183 24"x2.60"
Tektro HD-J285 Hydraulic disc brakes with 160mm rotors and short reach levers
Alloy Riser Bar, 620mmW, 9° back sweep, 25mm Rise, ø31.8
FRAMESET
Frame FL 24" Plus X6 Series frame, new chainstays
Fork 6000 Series aluminum 1-1/8" fork
Colors Cool Grey
DRIVETRAIN
Cranks Aluminum 3-pc 32T crankset w/ double chainguard
Pedals MTB nylon body 9/16"
Chain KMC Z8 8.3, 1/2"x3/32", 92L, GYGY
Bottom Bracket Cartridge Bearing 73mmX122.5mm
Front Derailleur N/A
Rear Derailleur Shimano Altus 8-SPD, RD-M310-L
Derailleur Shifter Shimano SL-m315-r rapid fire 8spd
Freewheel/Cassette Shimano cs-hg200-8 12-32T
WHEELS
Tires Chao Yang H5183 20"x2.60"
Wheels/Rims Aluminum single wall 20" 31mm wide
Front Hub Steel 6 bolt rotor compatible
Rear Hub Steel 6 bolt rotor compatible
BRAKING SYSTEM
Brakes Tektro HD-J285 Hydraulic disc brakes with 160mm rotors
Brake Levers Kids specific Tektro HD-J285 brake levers
OTHER COMPONENTS
Grips/Tape Krayton rubber 127mmL
Handlebar Alloy Riser Bar, 620mmW, 9° back sweep, 25mm Rise, ø31.8
Stem Alloy 1-1/8", ø31.8 bar bore, 45mmL, 7° Rise
Headset 1-1/8" Threadless
Saddle Haro Flightline Jr
Seat Post Alloy micro adjust ø27.2
Seat Clamp Alloy ø31.8 quick release
SIZE 24
Seat Tube (C-T) 305mm (12")
Top Tube (Effective) 512mm (20.2")
Head Tube Angle 69°
Seat Tube Angle 73°
Chainstay Length 415mm (16.3")
BB Drop 45mm (1.8")
Wheelbase 987mm (38.9")
Head Tube Length 90mm (3.5")
Standover 615mm (24.2")
Stack Height 499mm (19.6")
Reach 360mm (14.2")
Axle to Crown 407mm (16")
Fork Offset 35mm (1.4")
Stem Length 45mm
Bar Width 620mm
Crank Length 152mm
Wheel Size 24
Size Inches CM
24 4' - 4'8" 122 - 142