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/T4716-notch 52,2mm cup tool diameter

In the box:

• 2 cups with CeramicSpeed bearings and dust covers
• 2-part spacer tube
• All Round Grease
• Decal