BB 68X117.5 SHIM UN26

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Unique design specifically for Truvativ cranksets that are designated Howitzer compatible. Combines external GXP type cups with heavy duty spindles used on some Truvativ three-piece cranksets.

• 51mm chainline matches 113mm spindle with conventional three-piece cranks, 56mm matches 118mm
• Sealed oversized cartridge bearings
• Crank bolts are included
• Cast aluminum cups with black finish