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Shimano BB-UN300 Square Tapered Bottom Bracket
₹990
Available at bumsonthesaddle.com
Size:68x107mm(MM107)68x110mm(MM110)68x113mm (LL113)68x115mm(D-H)68x118mm(XL118)68x122.5mm(D-NL)68x122.5mm(LL123)73x122.5mm(LL123)
Expert Pros
- +Durable cartridge bearings
- +Stable chain line
- +Compatible with BSA threaded frames
Expert Cons
- −Crankarm fixing bolts sold separately
The Shimano BB-UN300 is a square-tapered bottom bracket featuring cartridge bearings for reliable performance. It is designed for frames with BSA threading and 68/73 mm shell widths, ensuring a stable chain line. This bottom bracket is compatible with JIS square-taper cranksets and includes aluminum adapters.
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Shimano BB-UN300 Square Tapered Bottom Bracket
₹990