Description The L100 is the undisputed king of Mongoose Legion BMX range. Full 4130 Chromoly frame, tapered headtube, removable brake mounts, and mid BB shell. 175mm 2-piece tubular chromoly hollow spindle cranks with a 25T alloy chainring and mid sealed bearing bottom bracket. 20” x 2.4” tires mounted on wide aluminum double wall 36H rims with 3/8” female axle front hub and 9T cog sealed bearing cassette rear hub. 4130 chromoly handlebar and fork, 50mm stem, threadless sealed integrated headset, and Alloy U-brake. 21-inch top tube length.