Shimano BB-UN300-K Bottom Bracket – English 68mm / 127.5mm
Shimano BB-UN300-K Bottom Bracket – English 68mm / 127.5mm is backordered and will ship as soon as it is back in stock.
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Shimano BB-UN300-K Bottom Bracket – English 68mm / 127.5mm is backordered and will ship as soon as it is back in stock.
Shimano's Benchmark Bottom Bracket
The Shimano BB-UN300-K bottom bracket is a reliable and proven replacement part, compatible with 68mm English threaded (BSA) frames. With a 127.5mm spindle, it fits a wide range of Shimano and compatible cranksets.
Features
- Brand: Shimano
- Model: BB-UN300-K
- Thread Type: English (BSA)
- Shell Width: 68mm
- Spindle Length: 127.5mm
- Compatible with square taper cranksets
- Robust construction for long lifespan
Why choose the BB-UN300?
The BB-UN300 is one of the most popular bottom brackets on the market thanks to its reliability and universal compatibility. Whether you're performing preventative maintenance or replacing a worn-out bottom bracket, it's the safe choice for most square taper bikes.
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