Shimano part: EBBUN300B23X
Model year: 2020
Department name: Unisex
High quality, high performance cartridge bearing square bottom bracket.
*Crank mounting bolts are sold separately.
Spindle material: steel
Adapter material: Aluminum Shell material: Steel
Size (shell width x shaft length) 68x122.5mm (LL123)
*The photo is a representative image. Product specifications may differ. Thank you for your understanding.
![SHIMANO EbbUn300c23x [bb Un300 122.5mm Ll123 73bsa]](https://img.joomcdn.net/8ccddb2ed7242ed395bb45befc14f262b9a34b3f_100_100.jpeg)
![SHIMANO EbbUn300Eb23x [bb Un300 E 122.5mm Ll123 68bsa]](https://img.joomcdn.net/a3d0a72310c495ff2fec020040a10809f4d70d64_100_100.jpeg)
![SHIMANO EbbUn300b22x [bb Un300 122.5mm D Nl 68bsa]](https://img.joomcdn.net/4d98a0f2eeb78ea0833613aaab4c84192a174b54_100_100.jpeg)
![SHIMANO EbbUn300Kb18b [bb Un300 K 118mm Xl 68bsa]](https://img.joomcdn.net/b7d8ec2ce671c35fee6af000b056eb23f8e878d4_100_100.jpeg)
![SHIMANO EbbUn300Kb22x [bb Un300 K 122.5mm D Nl 68bsa]](https://img.joomcdn.net/5693b22cf02c36e6be80627af681c946442317fa_100_100.jpeg)