T47a for 77mm asymmetrical shell.
T47a is a threaded bottom bracket shell design, utilizing the oversized interface of BB right, but with the benefit and peace of mind of a threaded interface. Compatible frames feature an asymmetrical 77mm shell width, placing the non-drive side bearing within the frame, and the drive side bearing externally.
Equipped with precision dust covers for a snug & secure fit that also fully protects the face of the bearing delivers exceptional performance without any sacrifices. CeramicSpeed hand-built bearings carry the load from crank to frame with un-paralleled durability & efficiency.
Bottom Bracket tool for installation: CeramicSpeed Dual Socket Tool T45/T47 16-notch 52,2mm cup tool diameter
In The Box
- 2 cups with CeramicSpeed bearings and dust covers
- 2-part spacer tube
- CeramicSpeed All Round Grease packet
- Sticker sheet
Optimized Power Transfer
Longest Product Lifetime
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