and 4 steel crank arm spacers for dialing in your chain alignment

upgrading to fully serviceable

SPROCKET: 25t Steel

Haro created the Lineage Air Master to combine their past and their present creating a contemporary design with all the modern updates

Fly Neutron BMX Bike Colour:Flat Black and 4 steel crank armThe frame on the Neutron is Trimoly, with 100% CrMo bars and forks that feature the Volcano inspired design that Flay are really psyched on. The tyres really stand out on this bike, so they are now including Ruben 2. 35 tires and the Ruben 2 grips to really dial this bike in. ###section### Product Specs FRAME MATERIAL: 4130 CRMO DT, TT & CS 1020 HI TEN REMOVABLE BRAKE MOUNTS WHEEL SIZE: 20" TOP TUBE LENGTH: 20. 75" CHAIN STAY LENGTH: 13. 2" HEADTUBE