⚙️ Upgrade your ride with precision-engineered power!
The Shimano BB-UN300 is a high-quality bottom bracket featuring a 113mm hollow spindle and 68mm English threaded shell width, designed specifically for JIS square-taper cranksets. Crafted with a durable aluminum adapter and part of the trusted Shimano Tourney TX800 series, it delivers enhanced chainline stability and reliable performance for serious cyclists.
Manufacturer | Shimano |
Item model number | EBBUN300B13X |
ASIN | B08BX7TJPP |
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