Shimano BB-ES300 Bottom Bracket 68mm 126mm

This Octalink bottom bracket is specially designed for mountain bike and trekking cranksets. Compatible with BSA standard bottom brackets with a width of 68 mm or 73 mm, it offers a solid and reliable base for your drivetrain.

Compared to its predecessor, the BB-ES25 model, this new version saves over 25 grams, thus optimizing the overall weight of your bike. This is the standard version, which is not compatible with E-Type derailleurs or chain guards.

Additional technical specifications

• Discipline: Mountain biking and trekking
• Model: BB-ES300
• Axle type: Octalink
• Bottom bracket standard: BSA
• Shell width: 68 mm or 73 mm
• Compatibility: Standard version (not compatible with E-Type or chain guard)
• Advantage: Over 25 g weight saving compared to BB-ES25