T47a 30mm Bottom Bracket
With this purchase, you support World Bicycle Relief with 10 % of the product value.
Product description
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
- All Round Grease
- Spacers for setup & adjustments
- Decal
Lowest Friction
Optimized Power Transfer
Longest Product Lifetime
This product is rated 4.2 of 5.0 stars.
It has received 5 reviews.
General Maintenance for CeramicSpeed Bottom Bracket and Wheel Bearings
Installation of 30mm cranks on CeramicSpeed Bottom Brackets
CeramicSpeed Threaded Bottom Bracket installation guide