The Speedline Hollow Pro 2pc BMX crank set features forged 7000 series aluminum arms with a built in 24mm oversized hollow chromoly spindle. The 4-bolt 104BCD aluminum spider is replaceable and the arms include chromoly pedal boss inserts to insure strong pedal thread.
SPINDLE FIT: Designed as 2-pc crank, spindle included and built on to drive arm
MATERIAL: 7000 series aluminum, Hollow forged arms with 24mm hollow chromoly spindle
BOTTOM BRACKET: Includes Outboard 24mm bottom bracket
CHAINRING: Requires 4-bolt chainring (104mm bolt pattern)
PEDAL FIT: 9/16" (standard for 3pc cranks)
INCLUDES: Right and Left crank arms, spindle, outboard Euro bottom bracket and crank arm bolt.
170mm: 34.65oz/982g (including bottom bracket and crank bolt)
175mm: 34.9oz/989g (including bottom bracket and crank bolt)