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  • Shimano BB-UN300 Bottom Bracket - English 73 x 122.5mm Spindle Square

Shimano BB-UN300 Bottom Bracket - English 73 x 122.5mm Spindle Square

30.00
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          Description
          It has a spindle length of 122.5mm and a BB shell width of 73mm, making it compatible with a wide range of bikes. The bottom bracket shell has an English interface and an inner diameter of 1.37 inches. The square taper JIS spindle interface ensures a secure and reliable connection between the crankset and the bottom bracket. Please note that crankarm fixing bolts are sold separately. The hollow spindle design helps reduce weight without compromising strength and durability.
          • Simple and reliable square taper bottom bracket
          • Replaces both BB-UN26 and BB-UN55
          • Sealed cartridge bearings
          • For bicycles equipped with a chain case, select BB-UN300-K