Shimano UN300 Square Tapered Bottom Bracket - English Thread BBShimano BB UN300 Bottom Bracket BB BSA 68mm JIS Square Taper NOTE No Retail Packaging The high quality and high performance Shimano BB UN300 cartridge bottom bracket comes with a JIS 4 sided mount and is suitable for frames with BSA thread and 68 mm housing width. A stabilizer ensures a constant chainline. Dcbikes Product Features : Note Only bottom bracket is included. No bolts ! Crank arm bolts sold separately Material: Adapter: aluminum (left),

the Muc-Off Nano Tech Bike Cleaner is fully biodegradable

⚠️ Note 🌟 No retail packaging and bolts

Headset version: complete

Compatibility DUB™ bottom brackets fit all frame shell standards

⚠️ Note 🌟 Random brand laser logo

which can be used for fixing pump inflator

That’s right

Compatibility extends to industry-standard 10-speed systems

The chain line of 51

noise and wear

5/16" (8mm)

Q factor: 172 mm