Promax HF-2 Hollow Hot Forged 2 Piece Crank 24mm Black Size:172.5MM Rennen Chainrings are 3/16" thick

Rennen Chainrings are 3/16" thick and are made to take the abuse of the BMX Track or a east coast muddy rocky SS ride

Versatile premium tire for demanding riders in search of performance

75% which most chain manufactures recommend replacement

FASTR-X reaches the rarefied balance of speed and control like never before

Stow your moto gear and other goods with the dignity they deserve — and do it with the FLY Racing luggage line

Promax HF-2 Hollow Hot Forged 2 Piece Crank 24mm Black Size:172.5MM Rennen Chainrings are 3/16" thickThe HF 2 cranks are Promaxs top of the line crank offering. Hollow forged from 6061 T6 aluminum, both crank arms are hollow so they are super stiff, yet lightweight. The crank arms spin on a beefy 24 millimeter spindle permanently fitted into the drive side arm. 104mm BCD Laser etched graphics Bottom bracket sold separately Pedal washers included Chainline: 43 Q Factor: 167 Will not fit English x 73mm bottom bracket shells Bore: 24 Weight (oz): 29. 5