Shimano Alivio BB-ES300 Hollow Type Bottom Bracket 73 x 118mm RGroup_5FF8397D1353C4526AA2A547618BBD217EB8CBAA handling chains from 7-speed to

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

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

allowing easy transport by clipping onto belts or bag straps

offering reliability and enhancing your off-road adventures

crafted from CNC-machined steel

Shimano Alivio BB-ES300 Hollow Type Bottom Bracket 73 x 118mm RGroup_5FF8397D1353C4526AA2A547618BBD217EB8CBAA handling chains from 7-speed toThe 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.