Fit F/U Tire Color:Black Massive 17mm heat-treated hollow chromoly

Massive 17mm heat-treated hollow chromoly female axle with press-fit chromoly hardware and heat-treated 14mm axle bolts

Rectangular Arms: The Substance XL V2 crank features heat treated 4130 chromoly arms with a rectangular cross section for increased stiffness and grindability

Includes 98 links and 2 master pins

CNC'd from 1/4 inch thick 6061-T6 aluminum with laser-etched details

Fit F/U Tire Color:Black Massive 17mm heat-treated hollow chromolyDesigned for riders that prefer low tire pressure. Using a higher thread casing with more rubber in specific places, the F U tire is more resistant to pinch flats without being heavy. Proprietary V Notched shoulder tread resists collapsing when run at low pressure. F U = FIT Underinflated Low resistance, fast rolling design center tread Grips all surfaces from slippery plazas to indoor parks Decreased resistance on smooth sidewall band helps with