The Shimano BB-UN300 bottom bracket offers a reliable and durable solution for bicycles with square taper crank interfaces. The robust construction ensures efficient power transfer and smooth operation for daily use. With a shell width of 68 mm and an axle length of 117.5 mm, this bottom bracket is suitable for numerous city bikes, trekking bikes, and mountain bikes with BSA threading. The threaded design allows for secure installation, ensuring high stability and long-lasting durability.
Technical specifications:
Brand: Shimano
Model: BB-UN300
Product type: Bottom bracket
Interface: Square taper
Shell width: 68 mm
Axle length: 117.5 mm
Thread standard: BSA (BC1.37)
Installation: Threaded
Color: Black
| General | |
| Brand | Shimano |
| Type | Bottom bracket |
What's in the box:
- check_circleProduct (pre-assembled)
- check_circleCharger
- check_circleUser manual
Shipping is carried out by a freight forwarding agency. We will contact you by phone prior to delivery.
Komm vorbei – wir beraten dich!
Not sure whether the part fits your model? No problem! Drop by our store in Vienna – our experts will check the fit, advise you and fit it for you on the spot if you like.
Vienna Store
Weyringergasse 37
1040 Vienna, Austria
Opening hours
Mon-Fri: 10:00 - 19:00
Sat: 10:00 - 14:00
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