Shimano BB-UN300 Bottom Bracket - BSA 68mm - JIS Square Taper - 110mm

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.

Material:

Adapter: aluminum (left), aluminum / steel (right).

Axle: steel

Fact Sheet

Product Name:	Shimano BB-UN300 Bottom Bracket - BSA 68mm - JIS Square Taper - 110mm
Manufacturer:	Shimano Parts
Item Code:	SHI472212
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:	110mm
bottom bracket construction:	Cartridge Bottom Bracket
Model year:	2025
Collection:	Full year
manufacturer item code:	EBBUN300B10X
GTINs:	4550170619206
Manufacturer page:	http://www.shimano-europe.com/