The l80a 2075 tri moly frame and hi ten fork set the foundation for the l80 mongoose built the rest out with a semi integrated headset an integrated saddle tubular cromo cranks and an 8 spline mid sealed bearing bb along with under mounted rear alloy u brake keeping it out of the way and safe from destruction fully built tuned and testedeach bike is fully built tested and tuned by wiggle39s team of qualified bike mechanics to ensure you39re bike arrives in perfect condition to fin