Shimano Alivio BB-ES300 Hollow Type Bottom Bracket 73 x 118mm RGroup_5FF8397D1353C4526AA2A547618BBD217EB8CBAA Its shape ensures that screws

Its shape ensures that screws are not rounded off during use

Crafted from ExoShell25ST softshell fabric

this cassette is a robust and cost-effective choice for improving your bike's performance

Perfect for riders who want assistance on challenging climbs

handling chains from 7-speed to 11-speed with ease

Shimano Alivio BB-ES300 Hollow Type Bottom Bracket 73 x 118mm RGroup_5FF8397D1353C4526AA2A547618BBD217EB8CBAA Its shape ensures that screwsThe Shimano Alivio BB ES300 bottom bracket is designed for optimal quality and performance. It features an Octalink square taper mount to ensure ultra efficient power transfer. This bottom bracket is compatible with frames that have a BSA thread and a 73mm shell width. Additionally, it includes a stabilizer to maintain a consistent chain line.