Shimano BB-UN300 Bottom Bracket - English, 68 x 117.5mm Spindle, Square Taper JIS

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Shimano BB-UN300 Bottom Bracket - English, 68 x Features

• Fits JIS square-taper cranksets

• SHIMANO quality/performance cartridge bearing square bottom bracket

• Adapter material: Aluminum

• Better chainline stability with chain line stabilizer

About Shimano BB-UN300 Bottom Bracket - English, 68 X

BB-UN300 Square Spindle Bottom BracketsFeatures-Fits JIS square-taper cranksets-Crankarm fixing bolts sold separately-Hollow spindleItem Specifications-BB Shell Width (mm):68 mm-BB/Frame Interface:English-Spindle Length:117.5-Bottom Bracket Shell I.D.:1.37-Spindle Interface Type:Square Taper JIS