Kronos Rear Derailleur Pivot Bolt These Kronos derailleur mounting bolts are machined from strong and light 7075-T6 aluminum and anodized in various colors. Saves weight and adds a touch of color to your derailleur. Compatible with most Shimano Rear Derailleurs, including Dura-Ace, Ultegra, 105, XTR, XT, LX. Not compatible with any current model SRAM derailleurs or Shimano Shadow-type derailleurs. Weight: 6g (Saves 4.5g over Dura Ace steel bolt and 1.5g over Record Ti bolt)
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