#color_Black
SKU: 109645

T47a Bottom Bracket for Shimano

Sale price$379.00
Finish: Standard
Color: Black
Standard
4
4 year warranty
Durable and serviceable design
Low friction
Coated
Lifetime warranty
Durable and serviceable design
Lowest friction
Exceptional corrosion resistance
ALPHA
RS 5-Spoke
RS ALPHA
RS ALPHA Team Edition
ADR

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Sale price$379.00
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Aero ALPHA

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
  • Decal
Compatibility Matrix
Discipline
Road and Tri
SKU
109645
Net weight
122.0 g
Gross Weight
234 g
BB Type
T47a
Crank Diameter
24.0
Crank Brand
Shimano
Crank Width
90.5

Product Highlights

Lowest
friction

Optimized
power transfer

Longest Product Lifetime

High resistance to contamination and corrosion

Lowest Friction

Optimized Power Transfer

Longest Product Lifetime

Alternatives

Drag

General Maintenance for CeramicSpeed Bottom Bracket and Wheel Bearings

Overview for how to clean and maintain CeramicSpeed Bearings used in Bottom Brackets and Wheel Hubs.

It is always important to follow these instructions and apply the proper maintenance to your CeramicSpeed Bottom Brackets and Bearings in order to achieve the lowest friction and the best longevity.

Installation of Shimano cranks on CeramicSpeed Bottom Brackets

CeramicSpeed Threaded Bottom Bracket installation guide

An overview for installing threaded CeramicSpeed Bottom Brackets including BSA, ITA, T47, and Colnago TF82.6/T45

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