Flightline 20

Regular price $339.99
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SKU: 10011
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New MY20 Flightline 6000 Series alloy frame


HL 410E suspension fork w/ 30mm travel


Sealed cartridge BB set


Revo 6-spd shifter

Flightline 20

Thanks to its new lower stand-over height frame and 20" wheelset, the Flightline 20 is perfect for adventurous youngsters who love to ride but aren't quite ready for the larger 24" or 26" wheel-sizes yet. The FL 20 features Haro's updated FL3G low profile X6 alloy frame with a ton of stand-over clearance. Bumps don't stand a chance thanks to its suspension fork with 35mm of travel. The FL 20 features a kids-friendly 1x6-speed drive-train with a single chainring and Revo shifter to make it easier to switch gears.


  • New MY20 Flightline 6000 Series alloy frame
  • HL 410E suspension fork w/ 30mm travel
  • 1-1/8" Threadless headset
  • Alloy 32t crankset w/ double chainguard
  • Sealed cartridge BB set
  • Shimano Tourney TZ-50 rear derailleur
  • Revo 6-spd shifter
  • Alloy Pivit 25mm riser bar & melt forged stem, 31.8mm
  • Alloy single wall 20" rims w/ 32h hubs


FrameNew 2020 Haro Flightline FL3G 6000 series alloy w/ V-Brake bosses
ForkHL 410E 30mm travel
ColorsRorange/Black, Matte Black/Aqua, Pink/White
CranksAlloy 32T w/ double chain guard, 5" / 127mm
PedalsMTB nylon body
ChainKMC Z6 1/2"x3/32"
Bottom BracketSealed cartridge
Front Derailleur
Rear DerailleurShimano Tourney TZ-500
Derailleur ShifterShimano Revo 6-spd
Freewheel/CassetteShimano Tourney 6-spd freewheel 14-28T
TiresH-5129, 20" X2.0"
Wheels/RimsAlloy single wall 20"
HubsPivit steel 32h w/ nuts
BrakesPromax TX-121 V-Brakes
Brake LeversPromax BL-81G, Short reach
Grips/TapeHaro MTB
Handle BarPivit alloy 25mm riser bar, 31.8mm O.D.
StemPivit melt forged stem w/ 4 bolts, 31.8mm bar bore
Headset1-1/8" threadless steel cups, loose ball, Nylon Top
SaddleHaro Flightline Jr
Seat PostPivit alloy micro adjust 27.2mm
Seat ClampPivit alloy 31.8mm quick release

Geometry & Sizing

Frame reference chart

To read more about how Haro MTB's fit and geometry
are created visit our Bicycle Fit Tips page.

Bicycle Fit Tips logo
A. Seat Tube (C-T)244mm (9.6")
B. Top Tube (Effective)469mm (18.5")
C. Head Tube Angle69°
D. Seat Tube Angle71°
E. Chainstay Length355mm (14")
F. BB Dropmm (")
G. Wheelbase878mm (34.6")
H. Head Tube Length100mm (3.9")
I. Standover523mm (20.6")
J. Stack Height422mm (16.6")
K. Reach324mm (12.8")
L. Fork Height355mm (14")
M. Fork Offset35mm (1.4")
N. Stem Length45mm
O. Bar Width620mm
P. Crank Length127mm

*Actual retail price may vary based on any added dealer freight, tax, and assembly fees