BB UN300 Square Taper Bottom Bracket - Compatible with Road Bikes, Mountain Bikes & BMX - High Performance Bicycle Crankset Bearing for Smooth Riding
$8.79
$15.99
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Description
The Shimano BB-UN300 Bottom Bracket is a quality square type bottom bracket for your standard chainset. Get improved durability and a smooth ride.
- Cartridge bearing square bottom bracket
- MTB standard structure
- Better chain line stability with chain line stabilizer
- Tourney A070 Series
- Shimano high quality/performance
- Adapter material: Aluminum
- Bottom Bracket Shell I.D.: 1.37
- Threaded BB shell width: 68mm
- BB/Frame Interface: English
