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BOX Vector 2-pc Cranks
The Box Vector cranks are some of the strongest and most rigid BMX racing cranks available and have been ridden to multiple podium finishes and a World Championship in Elite Mains at the 2013 Worlds. The Vector cranks feature a 2-pc design with hollow forged aluminum arms, integrated 4-bolt 104mm spider gear, oversized 7075 hollow aluminum spindle for maximum rigidity, and a Praxis 35mm external BB with CNC machined 6061-T6 aluminum cups and oversized precision sealed bearings for smooth operation. Designed for BB30/PF30 bottom brackets only.
Note: Includes arms, spindle, spindle bolt, bottom bracket and installation tool. Check out These Videos for tips on installation. Unlike the BB in the video, the Vector BB has only one dust cover on the non-drive side. Don’t look for a missing second dust cover. There is only one. The Vector BB is drive-side/non-drive-side specific. The cranks will only fit in one direction. Be sure the non-drive side is on the left side of the frame. The non-drive-side has the dust cover and has a smaller ID than the drive-side. If the BB is installed backward, the cranks will not slide into the BB.