Our standard BSA English threaded BB is Shimano™ compatible.  The 7075 T6 alloy cups feature CNC finishing and standard anodizing. Smooth and durable, the high-grade Enduro 2437 steel bearings are fully sealed and are a fantastic replacement BB for your Shimano™ drivetrain. Compatible with Shimano™ Hollowtech II cranks.

[SPECIFICATIONS]

• MFG – Machined Aluminum
• BEARING – Enduro 2437 steel with high grade grease and fill
• SIZE & USE – 68mm version for Road /  68/73mm version for MTN
• FRAME SPEC – BSA English threaded frames
• COMPATIBILITY – For Shimano™ Hollowtech II cranks
• Use any 16-notch BB tool for installation/removal

[TECHNOLOGY]

• Uses standard Shimano BB tool for installation
• MTB version ships with spacers for 68 or 73 frame shell