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Description
The CeramicSpeed T47/68 External SRAM DUB 28.99MM Bottom Bracket combines the oversized performance benefits of PF30 and EVO386 with the security and reliability of a threaded interface. Designed for frames with a 68mm wide T47 Outboard shell, this bottom bracket places the bearings outside the frame shell, improving stiffness and pedalling efficiency.
The T47 standard, developed by custom frame builders, features a 47mm inner diameter and uses threaded cups for a more secure, creak-free fit. With its oversized design and threaded functionality, the T47/68 offers the best of both worlds—maximised power transfer and easy maintenance.
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Important Update for Our Canadian Customers
We regret to inform you that shopping on Sigma Sports is temporarily unavailable for customers based in Canada.
We understand how disappointing this may be and sincerely apologize for any inconvenience caused. Please rest assured that we are actively exploring solutions to resume service and find the best way to support our Canadian community.
We appreciate your patience and understanding during this time, and we look forward to welcoming you back as soon as possible.
If you require any further assistance, please reach out to the customer services team
— The Sigma Sports Team