Gran Cru Cartridge Bottom Bracket
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The Grand Cru bottom bracket has oversize sealed bearings, a boron steel hollow axle. The cups are alloy. The quality is first rate. Includes axle bolts. British thread only; 258gm, JIS taper. Grand Cru BB are available in several spindle lengths to fit various cranks. Generally, it is the crank model, not the frame, that determines spindle length. So, check what spindle length the crank manufacturer recommends or measure you old BB. If between sizes, it's usually safer to choose the longer. Use the common Shimano-type BB tool for installation.
Available in: 103mm - BB-0001-103 107mm - BB-0001-107 110mm - BB-0001-110 113mm - BB-0001-113