Shimano BB-UN300-E Bottom Bracket - BSA 68mm - JIS Square Taper - E-Type - 122.5 mm (LL123)

The quality and performance-oriented Shimano BB-UN300-E cartridge bearing bottom bracket features a JIS square taper mount and is designed for frames with BSA thread and 68 mm shell width. A stabilizer ensures a constant chain line.

Suitable for the use of E-Type front derailleurs.

Material:

adapter: aluminium (left), aluminium / steel (right)

axle: steel

Fact Sheet

Product Name:	Shimano BB-UN300-E Bottom Bracket - BSA 68mm - JIS Square Taper - E-Type - 122.5 mm (LL123)
Manufacturer:	Shimano Parts
Item Code:	SHI482198
activity:	Cycling
material:	Aluminium, Steel
usage bikesport:	Trekking, MTB, City
bottom bracket type:	BSA
bottom bracket axle profile:	Square
bottom bracket case width:	68mm
axle length:	122.5mm
bottom bracket construction:	Cartridge Bottom Bracket
Model year:	2025
Collection:	Full year
manufacturer item code:	EBBUN300EB23X
GTINs:	4550170619268
Manufacturer page:	http://www.shimano-europe.com/