Hi-Ten steel frame, removable brake mounts, and mid BB shell.
175mm 3-piece tubular chromoly hollow spindle cranks with a 25T steel chainring and mid sealed bearing bottom bracket.
20 x 2.3 tires mounted on aluminum single wall 36H rims with 3/8 female axle front hub and 9T cog sealed bearing cassette rear hub.
Hi-Ten steel handlebar and fork, 50mm stem, threadless sealed integrated headset, and Aluminum U-brake.
20.5-inch top tube length. Suggested rider height is 50 56.

With the Legion Series, Mongoose offers a full line of freestyle BMX bikes for riders of all ages and ability levels. The Legion L40 is a fully park, street or dirt worthy freestyle BMX bike that offers everything a new rider could need to bust their first tricks on their local ramp!

SPECIFICATIONS
Frame Icon
FRAME
Hi-Ten steel, BMX freestyle geometry, mid BB shell

Fork Icon
FORK
Hi-Ten steel

Crank Icon
CRANK
3-piece, tubular chromoly, 25T steel chainring

Chain Icon
CHAIN
KMC S1

Bottom Bracket Icon
BOTTOM BRACKET
Mid sealed bearing, 8-spline spindle

Cog Icon
REAR COG
Single-speed, 9T cassette driver

Rim Icon
RIMS
Aluminum single wall, 24 mm ID, 36H

Hubs Icon
FRONT HUB
Steel, ball bearing, 3/8 in axle, 36H

Hubs Icon
REAR HUB
Steel, sealed-bearing cassette, 14 mm axle, 36H

Spokes Icon
SPOKES
14G, steel, black

Tires Icon
TIRES
20 in x 2.3 in, wire bead

Pedal Icon
PEDALS
Mongoose, nylon

Brakes Icon
BRAKES
U-brake, aluminum

Handlebar Icon
HANDLEBAR
Mongoose, Hi-Ten steel, 28 in width, 8 in rise

Stem Icon
STEM
Mongoose, threadless top load, 50 mm

Headset Icon
HEADSET
Threadless, integrated 1-1/8, retainer bearing

Seat Post Icon
SEAT POST
Steel, 250 mm, 25.4 mm

Saddle Icon
SADDLE
Mongoose Unifier, 1 piece rails

Grips Icon
GRIPS
Mongoose MushXL, 160 mm

Sizes
SIZES
One sizeOne size