Promax HF-3 Hollow Hot Forged 2-Piece BMX Race Crank Set-Black Size:172.5mm Further weight reduction is built

Further weight reduction is built into the design with a center pilot bore which also adds durability and the offset pinch slot allows for more threads with improved clamping action

REAR WHEEL: FIT OEM Double Wall w/Sealed 10T Cassette

70" DT: 19

ERD: 427mm

The TNT Blockbuster Rim-29x1

Promax HF-3 Hollow Hot Forged 2-Piece BMX Race Crank Set-Black Size:172.5mm Further weight reduction is builtThe Promax HF 3 Hollow Hot Forged 2 Piece BMX Race Crank Set Black pairs lightweight aluminum arms with a tough 30mm alloy spindle for extra strength. Tailored for SRAM 3 Bolt mount style chainrings (sold separately), it also allows for direct mount sprocket compatibility. Or you can choose to use the included a 4 bolt, 104 BCD spider adapter. The required pedal washers come also included with this crank set. FEATURES CNC machined 6061 T6 aluminum